pptfriction week 4.2.pptx
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This document discusses the different types of friction: static, sliding, and rolling. It explains that friction is caused by microscopic bumps and ridges on surfaces that create temporary bonds called micro-welds when they come into contact. Static friction occurs when two surfaces are not moving relative to each other, and must be overcome to initiate motion. Sliding friction acts on surfaces that are moving past each other, as the micro-welds constantly break and reform. Rolling friction is less than static or sliding friction, making rolling motion easier. Adding materials like sand or gravel increases rolling friction between tires and slippery surfaces, helping vehicles move better.
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This document discusses the different types of friction: static, sliding, and rolling. It explains that friction is caused by bumps at the molecular level between two touching surfaces, which create microscopic welds (microwelds). Static friction occurs when two surfaces are not moving relative to each other and acts as an opposing force. Sliding friction happens when surfaces are moving against each other and causes resistance. Rolling friction is less than static or sliding friction, making rolling motion easier.Pranideep & rakesh
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Friction opposes the motion of objects and is caused by bumps on surfaces sticking together when they touch. There are three main types of friction: static friction between non-moving surfaces, sliding friction between surfaces moving past each other, and rolling friction between rolling objects and surfaces. Adding sand to tires increases rolling friction and helps cars move on slippery surfaces by providing more traction between the tires and the ground. This relates to Newton's Second Law, as increasing friction generates a greater net force to overcome inertia according to the formula F=ma.Friction
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Friction is the force that opposes the relative motion between two surfaces in contact with each other. It occurs due to micro welds forming between the bumpy surfaces on a molecular level. There are different types of friction, including static friction before motion occurs, kinetic friction during motion, rolling friction when an object rolls over a surface, and sliding friction when surfaces slide past one another. While friction is necessary for walking, gripping objects, and other functions, it also reduces machine efficiency and causes wear. Therefore, friction is considered a "necessary evil".Presentation1
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Friction is the force that opposes the relative motion between two surfaces in contact with each other. It arises due to bumps and imperfections at the microscopic level between the two surfaces that cause them to stick together. There are two types of friction: static friction that acts before motion begins, and kinetic friction that acts once motion is underway. Friction is both helpful in many applications like walking and writing, but also causes inefficiencies in machines by converting useful energy into heat and causing wear and tear of moving parts over time. Engineers try to control friction through measures like changing surface roughness, adding grooves or spikes, or using lubricants.Sandhya
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Friction is the force that opposes the relative motion between two surfaces in contact with each other. It arises due to bumps and imperfections at the microscopic level between the two surfaces that cause them to stick together. There are two types of friction: static friction that acts before motion occurs, and kinetic friction that acts once motion has started. Friction is both helpful in many applications like walking and writing, but also causes inefficiencies in machines by converting useful energy into heat and causing wear and tear of moving parts over time. Engineers try to control friction through measures like changing surface roughness, adding grooves or spikes, or using lubricants.Sandhya (1)
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Friction is the force that opposes the relative motion between two surfaces in contact with each other. It occurs due to bumps and imperfections at the microscopic level of the surfaces that cause them to stick together when moved across one another. There are different types of friction including static, kinetic, rolling, and sliding friction. While friction is necessary for walking, gripping objects, and other functions, it also leads to energy loss and wear of machine parts, making it an overall "necessary evil." Ways to increase friction include adding grooves or spikes, while reducing the contact area, smoothing surfaces, lubrication, and using ball bearings can decrease friction.Sandhya (1)
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"Awareness today, a cure tomorrow!"
"Cancer can't silence our courage!"
"Let's unite to fight cancer's might!"Knowledge and Curriculum, Types of Knowledge
Knowledge and Curriculum, Types of KnowledgeNrapendraVirSingh
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Knowledge is one of the most valuable assets a person can acquire. It serves as the foundation for personal, social, and professional development and plays a vital role in shaping human life and society. Below are some key points that highlight the importance of knowledge:
Empowerment and Confidence
Knowledge empowers individuals by giving them the confidence to make informed decisions, solve problems, and navigate challenges. It allows people to express themselves effectively and stand by their beliefs with conviction.
Personal Growth
Knowledge promotes self-improvement. It broadens perspectives, enhances critical thinking, and nurtures creativity. Learning new skills or concepts enables individuals to evolve continuously and adapt to change.
Professional Success
In the modern world, knowledge is the cornerstone of career advancement. It helps individuals stay competitive in their fields, adapt to technological advancements, and make innovative contributions. Specialized knowledge is often a key determinant of success in the workplace.
Social Contribution
Knowledgeable individuals contribute significantly to the progress of their communities and societies. By sharing their understanding and expertise, they can drive social change, improve quality of life, and address pressing global issues.
Problem-Solving and Decision-Making
With knowledge, individuals can approach problems methodically, analyze situations critically, and make sound decisions. This is crucial in both personal and professional life.
Cultural and Historical Awareness
Knowledge provides insight into history, culture, and traditions, fostering respect and understanding among diverse communities. It helps preserve the legacy of human civilization and encourages appreciation for global diversity.
Technological and Scientific Advancements
Knowledge fuels innovation. Scientific discoveries and technological advancements rely on the accumulation of knowledge. Societies thrive when their members actively engage in learning and research.
Personal Fulfillment
Acquiring knowledge is inherently satisfying. It stimulates curiosity, enriches life experiences, and cultivates a lifelong love of learning. The joy of discovery can be deeply fulfilling and rewarding.
Resilience and Adaptability
Knowledge equips individuals to face uncertainties and challenges with resilience. It helps people adapt to changing circumstances and find effective solutions during crises.
Bridge to Future Generations
By sharing and transferring knowledge, individuals contribute to the education and enlightenment of future generations. This ensures that wisdom, discoveries, and advancements continue to evolve over time.
knowledge is a powerful tool that shapes individuals and society. It provides the means to grow, innovate, and contribute to a better world. As Francis Bacon famously said, "Knowledge is power," and this truth continues to resonate in every aspect of life.The Sentence and the Phrase presentation.pdf
The Sentence and the Phrase presentation.pdfNetzi Valdelomar Miranda
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The sentence, the phrase, subjects, predicatesBerry_Kanisha_BAS_PB1_202503 (2) (2).pdf
Berry_Kanisha_BAS_PB1_202503 (2) (2).pdfKanishaBerry
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Kanisha Berry's Full Sail University Personal Branding Exploration Assignment (eBook PDF) Urban Economics 9th Edition by Arthur O'Sullivan
(eBook PDF) Urban Economics 9th Edition by Arthur O'Sullivanharisitjizoo
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(eBook PDF) Urban Economics 9th Edition by Arthur O'Sullivan
(eBook PDF) Urban Economics 9th Edition by Arthur O'Sullivan
(eBook PDF) Urban Economics 9th Edition by Arthur O'Sullivan Marketing is Everything in the Beauty Business! 憓 Talent gets you in the ...
Marketing is Everything in the Beauty Business! 憓 Talent gets you in the ...coreylewis960
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Marketing is Everything in the Beauty Business! 憓
Talent gets you in the gamebut visibility keeps your chair full.
Todays top stylists arent just skilledtheyre seen.
Thats where MyFi Beauty comes in.
We Help You Get Noticed with Tools That Work:
Social Media Scheduling & Strategy
We make it easy for you to stay consistent and on-brand across Instagram, Facebook, TikTok, and more.
Youll get content prompts, captions, and posting tools that do the work while you do the hair.
ワ Your Own Personal Beauty App
Stand out from the crowd with a custom app made just for you. Clients can:
Book appointments
Browse your services
View your gallery
Join your email/text list
Leave reviews & refer friends
種 Offline Marketing Made Easy
We provide digital flyers, QR codes, and branded business cards that connect straight to your appturning strangers into loyal clients with just one tap.
ｯ The Result?
You build a strong personal brand that reaches more people, books more clients, and grows with you. Whether youre just starting out or trying to level upMyFi Beauty is your silent partner in success.
Personal Brand exploration powerpoint pp1
Personal Brand exploration powerpoint pp1rayvoisine3
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This is a powerpoint about what I want to do in my future. if you would like to know more about me please check it out. Flyer-Water ambassadors, Erasmus+ "Water is life, treat it right", 2023-2025
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The flyer is about the water scarcity and the need to save the water. It was created as a part of the water campaign lounced by our school, the 12th Gymnasium of Peristeri, Athens, during the 4h Transnational Meeting of the KA210 Erasmus+ with the title "Water is life, treat it right". llllllllllllllllllllllllllllllllllllllllllllllllllllllllll
llllllllllllllllllllllllllllllllllllllllllllllllllllllllllS Maillard
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nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnRole of Teacher in the era of Generative AI
Role of Teacher in the era of Generative AIProf. Neeta Awasthy
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We need to layer the technology onto existing workflows
Follow the teachers who inspire you because that instills passion Curiosity & Lifelong Learning.
You can benefit from generative AI even when its intelligence is worse-because of the potential for cost and time savings in low-cost-of-error environments.
Bot tutors are already yielding effective results on learning and mastery.
GenAI may increase the digital divide- its gains may accrue disproportionately to those who already have domain expertise.
GenAI can be used for Coding
Complex structures
Make the content
Manage the content
Solutions to complex numerical problems
Lesson plan
Assignment
Quiz
Question bank
Report & summary of content
Creating videos
Title of abstract & summaries and much more like...
Improving Grant Writing
Learning by Teaching Chatbots
GenAI as peer Learner
Data Analysis for Non-Coders
Student Course Preparation
To reduce Plagiarism
Legal Problems for classes
Understanding Student Learning in Real Time
Simulate a poor
Faculty co-pilot chatbot
Generate fresh Assessments
Data Analysis Partner
Summarize student questions in real-time
Assess depth of students' understanding
The skills to foster are Listening
Communicating
Approaching the problem & solving
Making Real Time Decisions
Logic
Refining Memories
Learning Cultures & Syntax (Foreign Language)
Chatbots & Agentic AI can never so what a professor can do.
The need of the hour is to teach Creativity
Emotions
Judgement
Psychology
Communication
Human Emotions
Through various content!
Enhance Your Quotations by Sections, Notes, and Subtotals in Odoo Sales
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A sales quotation in Odoo is a formal offer provided to a potential customer detailing the products or services, prices, terms, and conditions of a sale. In Odoo 17 sales, we can create reusable quotations to kickstart a business lead.
S. Y. G. N. M. CHILD HEALTH NURSING Leukemia in Children.pptx
S. Y. G. N. M. CHILD HEALTH NURSING Leukemia in Children.pptxsachin7989
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Leukemia is a type of cancer that affects the blood and bone marrow. It occurs when abnormal white blood cells accumulate in the bone marrow and interfere with the production of normal blood cells.
Types of Leukemia
1. Acute Lymphoblastic Leukemia (ALL): A type of leukemia that affects the lymphoid cells.
2. Acute Myeloid Leukemia (AML): A type of leukemia that affects the myeloid cells.
3. Chronic Lymphocytic Leukemia (CLL): A type of leukemia that affects the lymphoid cells and progresses slowly.
4. Chronic Myeloid Leukemia (CML): A type of leukemia that affects the myeloid cells and progresses slowly.
Symptoms of Leukemia
1. Fatigue
2. Weight loss
3. Pale skin
4. Bruising or bleeding easily
5. Bone or joint pain
6. Swollen lymph nodes
7. Loss of appetite
Treatment of Leukemia
1. Chemotherapy
2. Radiation therapy
3. Bone marrow transplant
4. Targeted therapy
Thalassemia
Thalassemia is a genetic disorder that affects the production of hemoglobin, a protein in red blood cells that carries oxygen to the body's tissues.
Types of Thalassemia
1. Alpha-Thalassemia: A type of thalassemia that affects the production of alpha-globin chains.
2. Beta-Thalassemia: A type of thalassemia that affects the production of beta-globin chains.
Symptoms of Thalassemia
1. Anemia
2. Fatigue
3. Pale skin
4. Shortness of breath
5. Enlarged spleen
6. Bone deformities
Treatment of Thalassemia
1. Blood transfusions
2. Iron chelation therapy
3. Bone marrow transplant
4. Gene therapyAntifungal agents by Mrs. Manjushri Dabhade
Antifungal agents by Mrs. Manjushri DabhadeDabhade madam Dabhade
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Information about chemical structure, MOA, ClassificationCeline Caira presents at Women girls and AI Paving the way to a balanced digi...
Celine Caira presents at Women girls and AI Paving the way to a balanced digi...EduSkills OECD
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Celine Caira, Economist & Policy Analyst, AI Unit of the OECD Division of Science, Technology and Innovation (STI), OECD presents at the OECD Webinar 'Women, girls and AI: Paving the way to a balanced digital future' on 28 March 2025. PPT by Lucia Russo, B辿n辿dicte Rispal and
Celine Caira OECDpptfriction week 4.2.pptx
- 1. FRICTIO N
- 2. Friction Suppose you decide to ride a skateboard. You push off the ground and start moving. According to Newtons First Law of Motion, if no other forces are acting on your skateboard, you will continue to move.BUT What happens?
- 3. Frictio n Your skateboard slows down because of friction. Friction is the force that opposes motion between two surfaces that are touching each other. The amount of friction depends on two things: Kind of surface. Forces pressing the surfaces together.
- 4. What Causes Friction? Even though a surface may look smooth, if you magnify the surface it isnt smooth. Everything is made of molecules. The molecules come together to make bumps. Some surfaces have molecules that leave large bumps and some leave smaller bumps, but all surfaces have bumps. Microwelds occur when two bumpy surfaces are rubbed up against each other they stick together.
- 5. Sticking Together The greater the force on the object, the greater the force of the microwelds and the greater force is needed to overcome the microwelds to move the object.
- 6. Static Friction Suppose your little brother gets into a box and wants you to move him. He is too heavy to lift. You try to push the box and it doesnt move. What type of acceleration does it have? Zero Acceleration
- 7. Static Friction Remember Newtons Second Law of Motion If the acceleration is zero, the net force is zero. Therefore, because you cant move it, another force is being applied to cancel out your force. That opposing force is friction caused by the microwelds between the bottom of the box and the floor. This type of friction is called static friction.
- 8. Static Friction Static Friction is the friction between two surfaces that are not moving past each other. In this case, your push is not large enough to break the microwelds and the box remains stuck to the floor.
- 9. Sliding Friction To help you move your little brother, you decide to ask a friend. You both push and slowly, but not easily, the box starts to slide across the floor. When you stop pushing, it quickly stops moving. Sliding the box is difficult and there is still resistance. Although you have overcome the microwelds, there is still a sliding friction occurring.
- 10. Sliding Friction Sliding Friction is the force that opposes the motion of two surfaces sliding past each other. Sliding friction is caused by microwelds constantly breaking and then forming again as the box slides along the floor. To keep the box moving, you must continually apply a force to overcome sliding friction.
- 11. Rolling Friction Have you ever seen a car stuck in the snow. Every time the driver steps on the gas, the tires just spin and the car doesnt go anywhere? This is because there isnt enough friction between the slippery ground and the tires. How could you create more friction to get the tires to move the car? Drop sand, gravel, put a board under each of the front tires.
- 12. Rolling Friction The friction between the rolling tires and the ground is called rolling friction. Rolling friction works partly because of microwelds. Rolling friction is much less friction than static or sliding friction. That is why it is easier to use a dolly than pushing your little brother in the box.
- 13. Frictio n Why do some people add sand to their trunks during the winter months? How does this apply to any of Newtons Laws?