Gravity slideshare
Download as ppt, pdf0 likes195 views
Gravity is a force that pulls all objects downward at a rate of 9.81m/s2. Gravity acts on an object's mass, creating its weight. Factors like air resistance can affect how quickly different objects fall due to differences in mass and surface area interacting with the air.
1 of 3
Download to read offline
Ad
Recommended
Gravity
GravityMegnlish
油
This document defines mass and weight, discusses gravity as the downward force that causes objects to fall when dropped, explains that gravity pulls on all objects at 9.81m/s^2, and notes that air resistance can affect whether objects fall at the same rate or not.Gravity slideshare
Gravity slideshareMegnlish
油
Gravity is a force that pulls all objects downward at a rate of 9.81m/s2. Gravity acts on an object's mass, creating its weight. Factors like air resistance can affect how quickly different objects fall due to differences in mass and surface area interacting with the air.Gravity2008
Gravity2008tams
油
1) Galileo Galilei proved Aristotle wrong by showing that all objects fall at the same rate when dropped, regardless of their mass or material.
2) Gravity is a force that exists between all objects due to their mass. Isaac Newton later defined a law of universal gravitation to describe this force.
3) The acceleration due to gravity on Earth is 9.8 m/s2, causing all objects to accelerate at the same rate towards the ground in the absence of other forces like air resistance.7 k forces and their effects (boardworks)
7 k forces and their effects (boardworks)cartlidge
油
The document is a physics textbook section about forces and their effects. It contains multiple pages explaining key concepts such as what forces are, how balanced and unbalanced forces affect motion, the different types of forces like friction and gravity, and the difference between mass and weight. Diagrams and activities are provided to illustrate these concepts.Forces and friction
Forces and frictionelabbiento
油
The document discusses different types of forces including gravity, friction, and their effects on motion. It explains Newton's three laws of motion - an object at rest stays at rest and an object in motion stays in motion unless acted on by an unbalanced force (1st law), force equals mass times acceleration (2nd law), and for every action there is an equal and opposite reaction (3rd law). Friction opposes motion between surfaces while gravity pulls objects toward each other. Air resistance from fluid friction increases with an object's speed during freefall, until terminal velocity is reached where forces balance.Gravity And Motion
Gravity And MotionLogos Academy
油
Galileo Galilei demonstrated through dropping objects of different masses from the Leaning Tower of Pisa that all objects accelerate at the same rate when falling, disregarding air resistance. While heavier objects experience a greater gravitational force, they also have more mass and are thus equally difficult to accelerate. As a result, the acceleration due to gravity is the same for all objects and can be used to calculate change in velocity over time for falling objects. However, air resistance also affects the motion of falling objects depending on their size, shape, and speed.Forces and motion 7 th grade
Forces and motion 7 th gradeAlejandra Cisternas
油
Here are the steps to solve these Newton's Second Law problems:
1) F = ma
F = Force (N)
m = Mass (kg)
a = Acceleration (m/s2)
2) Plug in the values given and solve for the unknown
3) Check units
4) Report answer with correct number of significant figures based on the values given
Let me know if you need help solving any of these specific problems! Thinking through the concepts and setting up the equations correctly is key.Forces Basics
Forces BasicsDaniel McClelland
油
The document discusses forces, providing examples of different types of forces including:
- Thrust which causes an object to start moving
- Air resistance which decreases the speed of a parachute opening
- Lift which causes an airplane to change direction during take-off
- Reaction force which causes an F1 car to change shape
It also defines common forces like friction, tension, upthrust, thrust, air resistance, and reaction force, and discusses using force diagrams and a Newton balance to measure forces.Effects of Forces
Effects of ForcesFakhrizal Arsi
油
1) The document is about forces and their effects, covering topics like friction, forces in water, weight and mass.
2) A force is a push or pull that cannot be seen but can be observed through its effects on objects. Forces can be balanced or unbalanced.
3) Mass is the amount of matter in an object and remains constant, while weight is the force of gravity on an object and can vary depending on location.Ch. 2 sec.1-force of nature
Ch. 2 sec.1-force of natureHamdy Karim
油
This document provides an overview of forces in nature, explaining the concept of force as a push or pull, measured in newtons. It discusses different types of forces, including gravitational and frictional forces, as well as concepts like net force, static equilibrium, free fall, and projectile motion. Key principles such as Newton's laws of motion and the effects of mass and distance on gravitational force are also highlighted.Chapter 12 forces and motion power point
Chapter 12 forces and motion power pointLisa Stack
油
Forces can be pushes or pulls that cause an object to accelerate or change motion. There are four fundamental forces in nature - gravitational, electromagnetic, strong nuclear, and weak nuclear. Newton's laws of motion describe how forces cause acceleration and changes in motion. Newton's first law states that objects in motion stay in motion unless acted upon by an unbalanced force. Newton's second law relates force, mass, and acceleration. Newton's third law states that for every action force there is an equal and opposite reaction force.Gravity
GravityIdrul Nafiz
油
The document defines key concepts related to gravity including acceleration due to gravity, gravitational field, gravitational field strength, mass, force, and weight. It provides examples of calculating time, velocity, and weight on Earth and the moon using the formulas and given values of gravitational acceleration. The conclusion is that the acceleration of falling objects is independent of their mass.Forces and their effects
Forces and their effectsheymisterlee
油
Here are the answers to the questions on the paper:
1. Winter
2. Nighttime
3. Summer
4. Antarctica (the South Pole)
5. A black hole has a much greater mass than our Sun.
6. The Earth is much more massive than the moon, so it has stronger gravitational pull.
7. The beeswax has a lower density than water, so it floats. However, it has a higher density than olive oil, so it sinks in the olive oil.
8. (a) Friction between the box and the floor is causing the leftward force. (b) The box is at rest, with the pulling force from Eric and Sonya balancing theNatural Sciences Grade 9
Natural Sciences Grade 9Noluthando Nonjabulo
油
The document explains the concept of forces, categorizing them into contact and non-contact forces. It discusses effects of forces including changes to movement, direction, and position, and highlights examples such as gravitational and electrostatic forces. Contact forces like friction, tension, and compression are also defined with practical examples.Forces and motion
Forces and motionDavid Geelan
油
The document explains the concepts of motion, including definitions of speed, velocity, distance, and displacement, as well as acceleration and the nature of forces. Newton's laws of motion are outlined, detailing the relationship between force, mass, and acceleration, along with the concepts of friction and buoyancy. Additionally, gravity is described as a universal force that affects all masses, emphasizing its importance relative to mass size and distance.What Is Force
What Is ForceSathingprawittaya
油
Force is defined as a push or pull that can cause an object's motion to change. It is measured in Newtons (N), with 1N being the force needed to accelerate 1kg of mass by 1m/s^2. There are two main types of forces - contact forces like friction and tension which require touching objects, and action-at-a-distance forces like gravity and magnetism which act without direct contact. Force is a vector quantity that has both magnitude and direction.Forces and motion
Forces and motionVisi00
油
Forces can make objects move, stop, or change shape. There are different types of forces including gravity, electric force, magnetic force, and friction. Forces can also distort objects temporarily or permanently. Forces affect motion by making things move, stopping moving objects, and changing the direction of moving objects. Machines are devices that use or convert energy. They can be powered by human energy, natural energy sources like water or wind, or electricity. Machines produce various types of movement or thermal effects and can process information.Ppt Gravity
Ppt Gravityffiala
油
The document discusses the law of universal gravitation and gravity. It states that all objects with mass exert gravitational attraction on each other, and that the gravitational force depends on the masses of the objects and the distance between them. It also explains that while the Earth exerts a force we can feel, we cannot feel the force of nearer objects like desks because their force is smaller due to lower mass and closer proximity.Force & Newton's First Law
Force & Newton's First LawI Wonder Why Science
油
Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Inertia is an object's resistance to changes in motion and is determined by its mass. Friction is a force that opposes the motion between two surfaces in contact and depends on factors such as the roughness of the surfaces and whether the object is moving or stationary. The net force on an object, which is the combination of all individual forces, determines whether its motion will change.Forces in action (grade 6)
Forces in action (grade 6)Yoshy Faweta
油
The type of force that occurs in this experiment is upthrust. Upthrust is the force that pushes an object up and makes it seem to lose weight in a fluid.
My prediction was correct. The weight of the object measured in water was lower than the weight measured in air, due to the upthrust force of the water pushing up on the object. The more dense the fluid, the greater the upthrust force and the more the object's apparent weight is reduced.U1 module 1 forces and motion
U1 module 1 forces and motionLea Lacar
油
The document discusses Newton's three laws of motion. It begins by defining key terms like force, inertia, and acceleration. It then explains each of Newton's three laws: (1) an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force, (2) acceleration is directly proportional to force and inversely proportional to mass, and (3) for every action there is an equal and opposite reaction. Examples are provided to illustrate Newton's laws, such as how gravity causes free fall acceleration. Balanced and unbalanced forces are also distinguished.Form 2 science chapter 7
Form 2 science chapter 7heianapjs
油
The document provides information about forces and work. It defines force as a push or pull and discusses different types of forces including gravitational, frictional, electrostatic, and magnetic forces. It also defines work as the product of the applied force and the distance moved, and power as the rate at which work is done. Methods for reducing friction like lubricants and ball bearings are presented. Examples of calculating work, power, and solving physics problems involving forces are also included.Forces
Forces 9404633962
油
Forces can be pushes, pulls, or a combination of both. There are two main types of forces - contact forces, which occur when objects touch, and non-contact forces, which occur over a distance. Contact forces include frictional forces from objects sliding against each other and muscular forces from human and animal muscles. Non-contact forces include gravitational forces, magnetic forces, and electrostatic forces. A force is any interaction that, when unopposed, will change the motion of an object.Basic Forces year 10 Physics powerpoint ml
Basic Forces year 10 Physics powerpoint mlMichaela Lawrence
油
Forces act on objects in different ways:
1. Forces are pushes or pulls that can cause an object to start or stop moving in a certain direction.
2. If the forces on an object are balanced, the object will remain at rest or maintain a constant speed and direction of motion.
3. If forces are unbalanced, the object will accelerate in the direction of the greater net force.Forces g3
Forces g3Radwa83
油
This document discusses forces, gravity, and weight. It defines forces as pushes or pulls and explains that they can change an object's motion by starting, stopping, or changing its direction of movement. Gravity is identified as the force that is always pulling down on objects towards Earth. Weight is defined as the measure of the gravitational pull on an object, and it would be different on other planets than it is on Earth due to variations in gravity.Ppt Air Resistance
Ppt Air Resistanceffiala
油
The document discusses air resistance and its effects on falling objects. It explains that air resistance acts in opposition to the force of gravity and depends on an object's speed, size, and shape. Specifically, it notes that crumpled paper falls faster than flat paper because it has less air resistance due to a smaller surface area. Finally, it introduces the concept of terminal velocity, which is the maximum speed an object can reach when air resistance equals the force of gravity."Force and motionis" a physics Power point for the 9th grade students at the...
"Force and motionis" a physics Power point for the 9th grade students at the...Physics Amal Sweis
油
A force is any push or pull that can cause an object to change its motion. The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass, as described by Newton's Second Law. Newton's Third Law states that for every action force there is an equal and opposite reaction force.Wahiawa MS force and motion
Wahiawa MS force and motionkitagawashow
油
The document discusses force and motion through examples and explanations of key concepts like Newton's laws. It explains Newton's first law of inertia through an example of a pencil sitting still on a table. It also demonstrates Newton's third law of equal and opposite reaction through an example of hitting a balloon, feeling a push back from the balloon. The document uses examples, diagrams, and questions to help teach students about important force and motion concepts.Direct Teach Lesson Plan
Direct Teach Lesson PlanSam Johnson
油
The document outlines a 10th grade World History lesson plan about the Magna Carta. It includes the TEKS objectives which involve understanding the impact of documents like the Magna Carta. The lesson plan involves a warm up asking students what new law they would implement. It then provides instruction on the Magna Carta, explaining why the barons were angry with King John and the meaning of its clauses. Students do a guided practice worksheet in class and independent homework to reinforce their understanding of the Magna Carta. The teacher will assess students based on their worksheets and exam.JohnsonS_FinalLessonPlan
JohnsonS_FinalLessonPlanSam Johnson
油
This document provides a lesson plan for a 10th grade world history class on absolute monarchies. The lesson will last one class period of 80 minutes. Students will start by completing a KWL chart on what they know and want to learn about absolute monarchies. They will then read selections on different absolute monarchs and answer questions. For homework, students will complete a RAFT assignment where they write from the perspective of a journalist reporting on an absolute monarch's expression of power through propaganda. The lesson aims to teach students about the characteristics of absolute monarchies and how different monarchs centralized their power.More Related Content
What's hot (20)
Effects of Forces
Effects of ForcesFakhrizal Arsi
油
1) The document is about forces and their effects, covering topics like friction, forces in water, weight and mass.
2) A force is a push or pull that cannot be seen but can be observed through its effects on objects. Forces can be balanced or unbalanced.
3) Mass is the amount of matter in an object and remains constant, while weight is the force of gravity on an object and can vary depending on location.Ch. 2 sec.1-force of nature
Ch. 2 sec.1-force of natureHamdy Karim
油
This document provides an overview of forces in nature, explaining the concept of force as a push or pull, measured in newtons. It discusses different types of forces, including gravitational and frictional forces, as well as concepts like net force, static equilibrium, free fall, and projectile motion. Key principles such as Newton's laws of motion and the effects of mass and distance on gravitational force are also highlighted.Chapter 12 forces and motion power point
Chapter 12 forces and motion power pointLisa Stack
油
Forces can be pushes or pulls that cause an object to accelerate or change motion. There are four fundamental forces in nature - gravitational, electromagnetic, strong nuclear, and weak nuclear. Newton's laws of motion describe how forces cause acceleration and changes in motion. Newton's first law states that objects in motion stay in motion unless acted upon by an unbalanced force. Newton's second law relates force, mass, and acceleration. Newton's third law states that for every action force there is an equal and opposite reaction force.Gravity
GravityIdrul Nafiz
油
The document defines key concepts related to gravity including acceleration due to gravity, gravitational field, gravitational field strength, mass, force, and weight. It provides examples of calculating time, velocity, and weight on Earth and the moon using the formulas and given values of gravitational acceleration. The conclusion is that the acceleration of falling objects is independent of their mass.Forces and their effects
Forces and their effectsheymisterlee
油
Here are the answers to the questions on the paper:
1. Winter
2. Nighttime
3. Summer
4. Antarctica (the South Pole)
5. A black hole has a much greater mass than our Sun.
6. The Earth is much more massive than the moon, so it has stronger gravitational pull.
7. The beeswax has a lower density than water, so it floats. However, it has a higher density than olive oil, so it sinks in the olive oil.
8. (a) Friction between the box and the floor is causing the leftward force. (b) The box is at rest, with the pulling force from Eric and Sonya balancing theNatural Sciences Grade 9
Natural Sciences Grade 9Noluthando Nonjabulo
油
The document explains the concept of forces, categorizing them into contact and non-contact forces. It discusses effects of forces including changes to movement, direction, and position, and highlights examples such as gravitational and electrostatic forces. Contact forces like friction, tension, and compression are also defined with practical examples.Forces and motion
Forces and motionDavid Geelan
油
The document explains the concepts of motion, including definitions of speed, velocity, distance, and displacement, as well as acceleration and the nature of forces. Newton's laws of motion are outlined, detailing the relationship between force, mass, and acceleration, along with the concepts of friction and buoyancy. Additionally, gravity is described as a universal force that affects all masses, emphasizing its importance relative to mass size and distance.What Is Force
What Is ForceSathingprawittaya
油
Force is defined as a push or pull that can cause an object's motion to change. It is measured in Newtons (N), with 1N being the force needed to accelerate 1kg of mass by 1m/s^2. There are two main types of forces - contact forces like friction and tension which require touching objects, and action-at-a-distance forces like gravity and magnetism which act without direct contact. Force is a vector quantity that has both magnitude and direction.Forces and motion
Forces and motionVisi00
油
Forces can make objects move, stop, or change shape. There are different types of forces including gravity, electric force, magnetic force, and friction. Forces can also distort objects temporarily or permanently. Forces affect motion by making things move, stopping moving objects, and changing the direction of moving objects. Machines are devices that use or convert energy. They can be powered by human energy, natural energy sources like water or wind, or electricity. Machines produce various types of movement or thermal effects and can process information.Ppt Gravity
Ppt Gravityffiala
油
The document discusses the law of universal gravitation and gravity. It states that all objects with mass exert gravitational attraction on each other, and that the gravitational force depends on the masses of the objects and the distance between them. It also explains that while the Earth exerts a force we can feel, we cannot feel the force of nearer objects like desks because their force is smaller due to lower mass and closer proximity.Force & Newton's First Law
Force & Newton's First LawI Wonder Why Science
油
Newton's First Law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. Inertia is an object's resistance to changes in motion and is determined by its mass. Friction is a force that opposes the motion between two surfaces in contact and depends on factors such as the roughness of the surfaces and whether the object is moving or stationary. The net force on an object, which is the combination of all individual forces, determines whether its motion will change.Forces in action (grade 6)
Forces in action (grade 6)Yoshy Faweta
油
The type of force that occurs in this experiment is upthrust. Upthrust is the force that pushes an object up and makes it seem to lose weight in a fluid.
My prediction was correct. The weight of the object measured in water was lower than the weight measured in air, due to the upthrust force of the water pushing up on the object. The more dense the fluid, the greater the upthrust force and the more the object's apparent weight is reduced.U1 module 1 forces and motion
U1 module 1 forces and motionLea Lacar
油
The document discusses Newton's three laws of motion. It begins by defining key terms like force, inertia, and acceleration. It then explains each of Newton's three laws: (1) an object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force, (2) acceleration is directly proportional to force and inversely proportional to mass, and (3) for every action there is an equal and opposite reaction. Examples are provided to illustrate Newton's laws, such as how gravity causes free fall acceleration. Balanced and unbalanced forces are also distinguished.Form 2 science chapter 7
Form 2 science chapter 7heianapjs
油
The document provides information about forces and work. It defines force as a push or pull and discusses different types of forces including gravitational, frictional, electrostatic, and magnetic forces. It also defines work as the product of the applied force and the distance moved, and power as the rate at which work is done. Methods for reducing friction like lubricants and ball bearings are presented. Examples of calculating work, power, and solving physics problems involving forces are also included.Forces
Forces 9404633962
油
Forces can be pushes, pulls, or a combination of both. There are two main types of forces - contact forces, which occur when objects touch, and non-contact forces, which occur over a distance. Contact forces include frictional forces from objects sliding against each other and muscular forces from human and animal muscles. Non-contact forces include gravitational forces, magnetic forces, and electrostatic forces. A force is any interaction that, when unopposed, will change the motion of an object.Basic Forces year 10 Physics powerpoint ml
Basic Forces year 10 Physics powerpoint mlMichaela Lawrence
油
Forces act on objects in different ways:
1. Forces are pushes or pulls that can cause an object to start or stop moving in a certain direction.
2. If the forces on an object are balanced, the object will remain at rest or maintain a constant speed and direction of motion.
3. If forces are unbalanced, the object will accelerate in the direction of the greater net force.Forces g3
Forces g3Radwa83
油
This document discusses forces, gravity, and weight. It defines forces as pushes or pulls and explains that they can change an object's motion by starting, stopping, or changing its direction of movement. Gravity is identified as the force that is always pulling down on objects towards Earth. Weight is defined as the measure of the gravitational pull on an object, and it would be different on other planets than it is on Earth due to variations in gravity.Ppt Air Resistance
Ppt Air Resistanceffiala
油
The document discusses air resistance and its effects on falling objects. It explains that air resistance acts in opposition to the force of gravity and depends on an object's speed, size, and shape. Specifically, it notes that crumpled paper falls faster than flat paper because it has less air resistance due to a smaller surface area. Finally, it introduces the concept of terminal velocity, which is the maximum speed an object can reach when air resistance equals the force of gravity."Force and motionis" a physics Power point for the 9th grade students at the...
"Force and motionis" a physics Power point for the 9th grade students at the...Physics Amal Sweis
油
A force is any push or pull that can cause an object to change its motion. The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass, as described by Newton's Second Law. Newton's Third Law states that for every action force there is an equal and opposite reaction force.Wahiawa MS force and motion
Wahiawa MS force and motionkitagawashow
油
The document discusses force and motion through examples and explanations of key concepts like Newton's laws. It explains Newton's first law of inertia through an example of a pencil sitting still on a table. It also demonstrates Newton's third law of equal and opposite reaction through an example of hitting a balloon, feeling a push back from the balloon. The document uses examples, diagrams, and questions to help teach students about important force and motion concepts.Viewers also liked (17)
Direct Teach Lesson Plan
Direct Teach Lesson PlanSam Johnson
油
The document outlines a 10th grade World History lesson plan about the Magna Carta. It includes the TEKS objectives which involve understanding the impact of documents like the Magna Carta. The lesson plan involves a warm up asking students what new law they would implement. It then provides instruction on the Magna Carta, explaining why the barons were angry with King John and the meaning of its clauses. Students do a guided practice worksheet in class and independent homework to reinforce their understanding of the Magna Carta. The teacher will assess students based on their worksheets and exam.JohnsonS_FinalLessonPlan
JohnsonS_FinalLessonPlanSam Johnson
油
This document provides a lesson plan for a 10th grade world history class on absolute monarchies. The lesson will last one class period of 80 minutes. Students will start by completing a KWL chart on what they know and want to learn about absolute monarchies. They will then read selections on different absolute monarchs and answer questions. For homework, students will complete a RAFT assignment where they write from the perspective of a journalist reporting on an absolute monarch's expression of power through propaganda. The lesson aims to teach students about the characteristics of absolute monarchies and how different monarchs centralized their power.Classroom Management Plan
Classroom Management PlanSam Johnson
油
This classroom management plan outlines policies and procedures for daily routines, physical space arrangement, student work, assessment, and rewards/incentives. The desks will be split into two groups facing each other to facilitate discussions. A daily schedule and vocabulary terms will be provided. Homework is due within 3 days of the due date for a 10-point penalty per day. Students can earn tickets for things like borrowing supplies or turning in completed work. The ticket system and other rewards aim to promote student engagement and success.犖犖園犢犖犖ム攻釣賢犖犖犖迦牽
犖犖園犢犖犖ム攻釣賢犖犖犖迦牽 Kimtran Wj
油
犖犖園犢犖犖ム攻釣賢犖犖犖迦牽 犢犖犖ム犖犖犖犖迦牽犖犖迦県犖迦賢犖園犖犖む県 犖犖朽犖犖伍犖 犖犖朽 犢犖犖∇犖園犢犖犖ム犖朽犖÷元犖犖о顕犖÷犖橿犖迦犖犖項犢犖犢犖犢犖ム鍵犖犖迦犖 犢犖犖∇犖犖犖迦鍵犖犖迦犢犖犖ム犖犖犖犖迦牽犖犖迦犖犖迦牽犖犖園犖 犖犖迦検犖迦牽犖犖犖犖犖犖園犖犖迦犖犢犖о犢犖犢犖犖園犖 犖犖迦牽犢犖犖ム犖迦県犖迦犖朽犖犖伍犖 犖犖朽 犢犖ム鍵犖犖園犖犖む県Tech250 Pitch
Tech250 Pitchiralodie
油
Sakwe-Sakwe is a game-based app that allows users to connect to Rwandan culture through traditional quiz-like games. Originally an evening entertainment activity, it brought elders and youth together to share stories and traditions. The app aims to address young generations' detachment from Rwandan culture. It contains questions about cultural heritage that were traditionally taught to children. While over 4 million Rwandans own smartphones, common interests have shifted from storytelling and games to internet and media. The free app hopes to preserve culture and connect users across generations through an interactive format.Force notes chap.2 1
Force notes chap.2 1Megnlish
油
1. A force is a push or pull that can be described by its strength and direction. Forces are measured in Newtons, the SI unit named after Isaac Newton.
2. A net force is the combination of all individual forces acting on an object. If the net force is not zero, the forces are unbalanced and will cause the object to move or accelerate.
3. Balanced forces occur when equal forces act on an object in opposite directions, resulting in a net force of zero. The object's motion will not change under balanced forces.Friction notes 2 2
Friction notes 2 2Megnlish
油
The document discusses different types of forces and friction. It explains that there are four main types of friction: static, sliding, rolling, and fluid friction. Static friction occurs between objects that are not moving and prevents them from moving. Sliding friction happens when surfaces slide against each other, which can be useful for braking but can also cause injuries. Rolling friction involves objects rolling across surfaces. Fluid friction acts on objects moving through liquids and gases.New math pdu braun
New math pdu braunmnavarr1
油
The teachers implemented a Problem-Solving Professional Development Unit (PDU) to address students' difficulties with problem solving and align their instructional approaches. Through rigorous problem solving, talk moves, and math congress, students improved in problem solving skills, communication, and mindset. Pre/post-test data, work samples, and surveys showed positive results. Teachers also enhanced their ability to facilitate discussions and will continue expanding these strategies.Calculating Speed
Calculating Speed Megnlish
油
This document discusses how to calculate speed. It provides the definition of speed as the distance traveled divided by the time taken. It gives the formula, S=d/t, where S is speed, d is distance, and t is time. Examples are provided to demonstrate calculating speed from given distances and times. It also discusses how to find average speed when an object travels different distances over different time periods. Finally, it notes that speed alone does not fully describe motion and that velocity, which includes direction, is also needed.Friction notes 2 2 slideshare
Friction notes 2 2 slideshareMegnlish
油
The document discusses different types of forces and friction. It begins by asking about balanced and unbalanced forces on a book sitting on a desk. It then lists several scenarios involving objects in motion and asks about similarities between them. The document goes on to define friction as the force between two surfaces in contact, and identifies the two main factors that affect friction as the pressure between surfaces and their material composition. It outlines the four types of friction - static, sliding, rolling, and fluid friction - and provides examples of each type.2014 inverted pendulum_presentation
2014 inverted pendulum_presentationSteven Hefner
油
The document derives the equations of motion (EOM) for an inverted pendulum. It first sets up the free body diagram and defines terms like the generalized moment of inertia. It then solves the EOM and derives the Mathieu equation, which describes the inverted pendulum with dimensionless terms for driving frequency, time, and amplitude. Finally, it defines an effective potential well for the system and shows how the potential well strength varies with the pendulum angle.Work Notes
Work NotesMegnlish
油
Work requires both force and movement in the direction of the force. The amount of work done can be calculated using the equation W=Fxd, where W is work in Joules, F is force in Newtons, and d is distance in meters. More work is required to lift a 100N potted plant 0.5m than a 50N potted plant the same distance. Examples are provided to calculate the work required to move a 250N car 5m (1250J) and lift a 63N book 3m (189J). Practice problems apply the equation to different scenarios requiring work.ILMP Technologies - Your Software solutions provider
ILMP Technologies - Your Software solutions providerILMP Technologies pvt. Ltd.
油
ILMP is a multi-faceted software development organization, founded in 2012, that focuses on innovative and secure technological solutions. The company emphasizes collaboration with clients, adheres to ISO standards, and offers a wide range of services, including custom application development and enterprise transformation services. With a commitment to cost-effective solutions and a flexible business model, ILMP aims to build strong partnerships and maximize return on investment for its clients globally.Gravity slideshare
Gravity slideshareMegnlish
油
Gravity is a force that pulls all objects downward at a rate of 9.81m/s2. Gravity acts on an object's mass, creating its weight. Factors like air resistance can affect how quickly different objects fall due to differences in mass and surface area interacting with the air.Types of separation notes
Types of separation notesMegnlish
油
There are several types of separation methods for mixtures including mechanical separation by particle size, extraction which separates liquids by density and solubility allowing layers to form, and magnetism which uses magnets to pull some substances from mixtures. Other separation methods include floatation which separates solids by density causing some to float and sink, distillation which separates substances by boiling point differences, and chromatography which separates mixtures based on molecular attractions. Filtration separates mixtures by particle size using filters while crystallization separates substances by differences in solubility as solutions are cooled.Indirect Lesson Plan
Indirect Lesson PlanSam Johnson
油
This lesson plan aims to teach students about the end of the Medieval era in Europe. Students will be split into groups and analyze scripts describing major events from this time period. They will then research and present arguments for why the event they analyzed was most impactful. Throughout the lesson, students will complete activities like creating timelines and presenting their findings to peers. The goal is for students to critically examine information and develop skills like sequencing, categorizing, and identifying causes and effects from this era in a student-centered way.Ad
More from Megnlish (9)
Work Notes
Work NotesMegnlish
油
Work is done when a force causes an object to move in the direction of the applied force. The amount of work done depends on both the force applied and the distance over which it is applied, as defined by the equation Work = Force x Distance. Calculating work examples are provided, such as lifting a 50N potted plant 0.5m requiring less work than lifting a 100N potted plant the same distance, or determining that moving a 250N car 5m would require 1,250J of work and lifting a 63N book 3m would require 189J of work.Friction
FrictionMegnlish
油
The document discusses different types of forces and friction. It begins by asking about balanced and unbalanced forces on a book sitting on a desk. It then lists several scenarios involving objects in motion and asks about their similarities. It defines friction as the force between two surfaces in contact and notes that the amount of friction is affected by how hard the surfaces push together and their material. It outlines four types of friction - static, sliding, rolling, and fluid friction - and provides examples of each type.Friction notes 2 2 slideshare
Friction notes 2 2 slideshareMegnlish
油
The document discusses different types of forces and friction. It begins by asking about balanced and unbalanced forces on a book sitting on a desk. It then lists several scenarios involving objects in motion and asks about their similarities. It defines friction as the force between two surfaces in contact and notes that the amount of friction is affected by how hard the surfaces push together and their material. It outlines four types of friction - static, sliding, rolling, and fluid friction - and provides examples of each type.Force notes chap.2 1 slideshare
Force notes chap.2 1 slideshareMegnlish
油
A force is a push or pull that can be described by its strength and direction. Forces are measured in Newtons. A net force is the combination of all individual forces acting on an object, determining its speed and direction of motion. Unbalanced forces produce a net force causing motion, while balanced equal forces in opposite directions produce no net force and no change in motion.What is a Force?
What is a Force?Megnlish
油
A force is a push or pull that can be described by its strength and direction. Forces are measured in Newtons. A net force is the combination of all individual forces acting on an object, determining its speed and direction of motion. Unbalanced forces produce a net force causing motion, while balanced equal forces in opposite directions produce no net force and no change in motion.Periodic table of elements
Periodic table of elementsMegnlish
油
The periodic table organizes elements by their atomic number and properties. Elements are grouped together based on their proton number and electron configuration. Groups are columns that elements fall into from left to right, with elements in the same group having similar properties. Periods run from top to bottom, with elements in the same period having the same number of electron shells. Most elements to the left of the zigzag line are metals that are shiny, good conductors with high melting points; nonmetals are to the right and have opposite properties. Transition metals between groups 3-12 have properties of both metals and nonmetals.Atoms, elements, and compounds notes
Atoms, elements, and compounds notesMegnlish
油
Atoms are the basic building blocks of matter and are made up of protons, neutrons, and electrons. Elements are pure substances made of only one type of atom, such as sodium (Na) or oxygen (O). Compounds are formed when two or more elements chemically combine, resulting in a substance with totally new properties compared to the original elements. The periodic table provides information about each element's atomic number, chemical symbol, and atomic mass.Pure substance vs mixture
Pure substance vs mixtureMegnlish
油
A pure substance contains only one element or compound and has definite chemical and physical properties, while a mixture contains two or more substances and its properties may vary depending on concentrations. An element cannot be broken down chemically, elements are the basic building blocks of matter, and compounds are made of two or more chemically combined elements. Mixtures can be either homogeneous solutions that are uniform in composition, or heterogeneous mixtures where substances can later be separated as the mixture is not uniform.Planet Notes
Planet NotesMegnlish
油
The document provides information about the planets in our solar system. It begins by describing the inner terrestrial planets Mercury, Venus, Earth, and Mars which are similar in that they have rocky surfaces and evidence of volcanic activity. It then discusses the gas giants Jupiter, Saturn, Uranus and Neptune, which are larger and composed primarily of gas. Key facts are given for each planet's distance from the sun and earth, diameter, rotation period, and other characteristics. The document also notes criteria for classifying objects such as dwarf planets like Pluto.Ad
Gravity slideshare
- 1. Daily Science 1. If you drop an object, what happens? 2. Why does it fall? What is it called and is this specific thing a force?
- 2. Gravity Gravity is a force that pulls things downward. Mass- Amount of matter inside an object. Weight- the force of gravity pulling down on an object. Gravity pulls every object at a speed of 9.81m/s2 or 32.1 ft/s
- 3. Factors What are some factors that affect how objects fall? Air resistance- determines if objects fall at the same rate or not.