Projectile motion
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This document discusses projectile motion and objects under the influence of gravity. It explains that objects dropped or launched with both horizontal and vertical components will follow a parabolic trajectory due to Earth's gravity accelerating objects at 9.81 m/s2. Objects dropped from the same height will hit the ground at the same time regardless of mass when ignoring air resistance. Projectile motion problems can be solved using kinematic equations, considering the horizontal and vertical motion separately.
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The document discusses projectile motion. Projectile motion involves both vertical and horizontal motion that are independent of each other. There are two cases of projectile motion: horizontal launch and angled launch. Factors like initial velocity and projection angle affect the motion of a projectile by influencing its trajectory, range, and height. While a projectile experiences free fall due to gravity, projectile motion and free fall involve different types of motion.projectile motion
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The document defines work in physics as being done when a force causes an object to move through a displacement. It provides the mathematical formula for work as W = Fd, where W is work, F is the applied force, and d is the displacement. It also states that work is a scalar quantity and defines the SI unit of work as the joule. Examples of positive, negative, and zero work are given based on whether the force and displacement are in the same, opposite, or perpendicular directions.Solving Accelerated Motion Problems
Solving Accelerated Motion Problemswalt sautter
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Shows step by step how to solve typical accelerated motion problems in physics.
**More good stuff available at:
www.wsautter.com
and
http://www.youtube.com/results?search_query=wnsautter&aq=fSimilar to Projectile motion (20)
Projectilemotion 110208215523-phpapp02
Projectilemotion 110208215523-phpapp02Saurav Das
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This document discusses projectile motion and objects that are under the influence of gravity. It explains that gravity causes all objects near the Earth's surface to accelerate at 9.81 m/s^2 downward. Whether an object is dropped or thrown horizontally, its vertical motion can be analyzed using kinematic equations that include this gravitational acceleration. Additionally, objects dropped from the same height will hit the ground at the same time regardless of their mass. The document also introduces the concept that projectile motion follows a parabolic trajectory due to separate horizontal and vertical acceleration components.Newton's laws of motion 14 april 2015
Newton's laws of motion 14 april 2015Mphiriseni Khwanda
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Here are the steps to solve this problem:
a) Since the buckets are at rest, the tension in each cord must balance the weight of the bucket it supports. Therefore, the tension is 3.2 kg * 9.8 m/s2 = 31.36 N
b) Applying Newton's Second Law to each bucket:
Upper bucket: Tension - Weight = Mass * Acceleration
Tension - 3.2 kg * 9.8 m/s2 = 3.2 kg * 1.6 m/s2
Tension = 31.36 N + 3.2 * 1.6 = 35.2 N
Lower bucket: Tension - Weight = Mass * Acceleration
Tension - 3.Freebodydiagramsandequilibrium
Freebodydiagramsandequilibriumadiprasetya33
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Free-body diagrams represent objects and the forces acting on them as vectors. They are useful for analyzing equilibrium situations where the net force on an object equals zero. There are several types of forces that may act on an object including normal force, tension, friction, and weight. Normal force is perpendicular to the surface an object rests on, tension is a pulling force from a rope or string, and friction opposes motion between two surfaces in contact.Forces
Forcespwagenaar
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This document discusses Newton's laws of motion and forces. It defines a force as a push or pull that can change an object's shape, motion, or both. Forces are vector quantities with both magnitude and direction. There are four fundamental forces, as well as common forces like weight, tension, normal forces, air resistance, and friction. Newton built upon Galileo's work and proposed his three laws of motion and the law of universal gravitation to explain the causes of motion. The first law states that an object remains at rest or in constant motion unless acted upon by a net external force. Free body diagrams are used to analyze forces acting on objects in equilibrium or accelerating states.Newton's laws of motion by Mphiriseni Khwanda
Newton's laws of motion by Mphiriseni Khwandamkhwanda
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Newton's Laws of Motion document summarizes Newton's three laws of motion. It discusses Newton's first law, stating that objects at rest stay at rest and objects in motion stay in motion with constant velocity unless acted upon by an unbalanced force. It addresses misconceptions about the first law. Newton's second law states that acceleration is directly proportional to net force and inversely proportional to mass. Problems are provided applying the laws, including drawing free-body diagrams and solving equations of motion. Newton's third law is not discussed.Kragte 11 e
Kragte 11 eNatasia Gouws
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- A force is a push or pull on an object due to its interaction with other objects. Common forces include gravity, normal force, tension, friction, electromagnetic force, and contact force.
- Forces are represented by arrows, with the length proportional to the magnitude. Forces can be added vectorially to find the net/resultant force. If the net force is nonzero, the object will accelerate. If it's zero, the object will maintain a constant velocity or remain at rest.
- For every action there is an equal and opposite reaction. The forces due to interactions between two objects are always equal in magnitude and opposite in direction.Newton's Laws & Gravitation
Newton's Laws & GravitationI Wonder Why Science
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Newton's second law states that an object's acceleration depends on the net force acting on it and its mass. Force equals mass times acceleration. Newton's third law states that for every action there is an equal and opposite reaction. Gravity is a force between any two masses that depends on their masses and the distance between them, as described by the law of universal gravitation. In free fall, the only force acting is gravity, so all objects accelerate at the same rate due to gravity.禽庄稼叩馨庄界温
禽庄稼叩馨庄界温reiner palomino
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This document discusses forces and Newton's laws of motion. It begins by asking what causes an object to remain at rest or in motion, and defines force as a vector quantity that can change an object's motion. It then introduces Newton's three laws of motion: 1) An object remains at rest or in uniform motion unless acted upon by an external force, 2) The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass, and 3) For every action there is an equal and opposite reaction. Examples of different types of forces like normal force, friction, and weight are also provided.Newton's 1st and 2nd law of motion mn matsuma.
Newton's 1st and 2nd law of motion mn matsuma.Nelson Matsuma
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Newton's laws of motion discusses relations between the forces acting on a body and the motion of the body.
Attached is the slides on Newton's first and second law of motion, created by MN Matsuma. 
Classical mechanics
Classical mechanicsChristian Costa
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Here are the reaction forces described for each example:
a. The ball exerts a force of 500 N [South] on the football player's foot.
b. The table exerts an equal and opposite force of 25 N [up] on the book.
c. The bullet exerts a force of 1,000 N [West] on the gun.
d. The earth exerts a force of 5 N [up] on the apple.Vertical projectile motion
Vertical projectile motionSiyavula
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1. The document discusses vertical projectile motion, where objects move up and down under the influence of gravity.
2. Objects in vertical projectile motion experience a constant downward acceleration of 9.8 m/s^2 due to gravity. The time it takes an object to rise is equal to the time it takes to fall back to the initial height.
3. Equations of motion can be used to solve problems involving vertical projectile motion relating to displacement, velocity, acceleration, and time. Position-time and velocity-time graphs are similar to constant acceleration motion and depend on the initial velocity and position coordinates chosen.Chapter 12.pdf
Chapter 12.pdfFranklinReyPacquiao
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This document provides an overview of static equilibrium and elasticity. It discusses:
1) Static equilibrium, which occurs when an object is not moving or rotating. Two conditions must be satisfied - the net external force and net external torque must both be zero.
2) Elasticity and how objects deform under load. Elastic modulus values characterize different types of deformations like stretching, shearing, and changes in volume.
3) Problem-solving strategies for static equilibrium problems, which involve drawing free body diagrams, applying the two equilibrium conditions, and solving the resulting equations.
Two examples of static equilibrium problems are presented - a horizontal beam on pivots and a ladder leaning on a wall.Chapter 10 Notes: Gravity
Chapter 10 Notes: GravityMrsJenner
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This document discusses gravity and the factors that affect how objects fall. It explains that gravity is a force that pulls all objects towards Earth. The greater the mass of an object, the stronger the gravitational pull, and objects that are closer together experience a stronger gravitational attraction. When only gravity is acting on an object, its acceleration is 9.8 m/s2, so all objects in free fall accelerate at the same rate regardless of their mass. Air resistance acts to slow falling objects based on their size and shape, but two objects in a vacuum would hit the ground simultaneously according to Galileo's experiments.Ch. 2 sec.1-force of nature
Ch. 2 sec.1-force of natureHamdy Karim
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I hope to study and complete all your notes from this presentation to remember all what did we say in the class. Good Luck.Physical Science: Ch 13 
Physical Science: Ch 13 mshenry
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This document provides instructions for using a presentation on forces and motion. It can be viewed as a slideshow by selecting "際際滷 Show" from the menu bar. Users can advance slides by clicking arrows or the space bar. Clicking on resources in the resources slide or lessons in the chapter menu will go to those sections. The presentation can be exited at any time by pressing the Esc key.Forces unit phy 1
Forces unit phy 1wpchem81
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This document discusses the concept of forces in physics. It defines a force as a push or pull on an object and explains that forces are vectors that have both magnitude and direction. There are four main forces in nature: gravity, electromagnetism, the strong nuclear force, and the weak nuclear force. Dynamics and statics are introduced as areas of study related to forces and motion. Newton's three laws of motion are outlined. Common ways of measuring mass and examples of force problems are provided, including free body diagrams, friction, inclined planes, and pulleys.3-2-newtons-first-law.pdf
3-2-newtons-first-law.pdfMervatMarji2
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This document discusses Newton's first law of motion, which states that an object at rest stays at rest and an object in motion stays in motion with constant velocity unless acted upon by an external force. It provides examples to illustrate this, such as a hovercraft moving at constant velocity, meaning no net external force is acting on it, and blocks sliding across different surfaces. It also discusses the concept of inertia and how it relates to an object's mass, with more massive objects being harder to accelerate. Newton's first law is known as the law of inertia because it describes an object's tendency to maintain its state of motion in the absence of external forces.3a. dynamics newtons laws
3a. dynamics newtons lawsdukies_2000
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- Dynamics studies the causes of motion rather than just describing motion like kinematics. There are four fundamental forces - gravitation, electromagnetism, weak nuclear force, and strong nuclear force. Forces can be applied, thrust, weight, normal, elastic, tension, friction, air resistance, electric, or magnetic.
- Newton's three laws of motion are: 1) An object at rest stays at rest or an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force. 2) The acceleration of an object as produced by a net force is directly proportional to the magnitude of the net force, inversely proportional to the mass of the object. 3)Physics inertia nfl_w10-l20
Physics inertia nfl_w10-l20ssuserba742a1
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This document introduces Newton's first law of motion. It 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 external force. It provides examples of this law, such as a glass remaining in place on a jerking board or continuing in motion when the board stops. It defines inertia as an object's resistance to changes in its velocity and motion, and explains that inertia increases with mass. Free body diagrams and the concept of net/resultant forces are also introduced.Projectile motion
- 1. Projectile MotionFalling things, and rockets n that
- 2. Projectile MotionThis involves any objects under the influence of gravity.Objects which are dropped (not travelling horizontally) and Objects which are launched (with a horizontal component).
- 3. Objects Under the Influence of Gravity:Everything close to the Earths surface is accelerating towards the Earth at a rate of 9.81油俗2 due to gravity.
- 4. This means in problems involving falling we can always use a=.瓿俗族in kinematic equations.
- 5. For every kg of mass an object experiences a weight force of 9.81 Newtons (N)
- 6. Given by: W=mg Where W is weight油
- 7. ContinuedWhat does this mean for objects dropped from the same height?
- 8. Objects dropped from the same height will hit the ground at the same time, regardless of weight (ignoring differences in air resistance)http://www.animations.physics.unsw.edu.au/jw/projectiles.htm#1Solve the same way you would any other kinematics problem
- 9. State what you know, what do you want to find?
- 10. Choose an equation and solve for your unknown.
- 11. Look out for key words like.. dropped, from rest and stationary:Rutterp. 32,33 odd questions
- 12. What will hit the ground first a bullet dropped or a bullet fired from the same height?Discuss with your neighbourhttp://www.youtube.com/watch?v=D9wQVIEdKh8
- 13. Projectile MotionProjectile motion follows a parabolic path i.e. http://phet.colorado.edu/sims/projectile-motion/projectile-motion_en.htmlIt has a horizontal (x) component and a vertical (y) component.
- 14. The horizontal component is not affected by gravity, so use separate equationsfor the different components.http://www.tutorvista.com/content/physics/physics-iii/kinematics/projectile-motion-animation.php