## Similar to Newtons Laws of Motion new.ppt

Newtons laws notes Jenny
Newtons laws notes Jenny
Jenny Dixon

Physics in-everyday-life-motion
Physics in-everyday-life-motion
Ahmed Imran

Newton's laws 2012 megan
Newton's laws 2012 megan
Jenny Dixon

Newton's third law of motion
Newton's third law of motion
Eswar Chakravarthi Chowdary

PHYSICAL SCI DIGITAL.pdf
PHYSICAL SCI DIGITAL.pdf

Newtons 3rd Law of Motion.ppt
Newtons 3rd Law of Motion.ppt
PrincesAprilArreza1

Force motion-magnetism
Force motion-magnetism

U1 module 1 forces and motion
U1 module 1 forces and motion
Lea Lacar

laws of motion.
laws of motion.
Rakhshanda Hashmi

Basic Forces year 10 Physics powerpoint ml
Basic Forces year 10 Physics powerpoint ml
Michaela Lawrence

CH08 Force & law of motion by pmo.afak
CH08 Force & law of motion by pmo.afak

Forces and motion ch3.1
Forces and motion ch3.1

Force , Newton's Laws of Motion and Momentum
Force , Newton's Laws of Motion and Momentum
Oleepari

Newton's law
Newton's law
Lostone3

Newton's law of motion
Newton's law of motion
Joryn Ramo

Newton's law of motion (2)
Newton's law of motion (2)
Joryn Ramo

ch 9_force_and_laws_of_motion.pptx
ch 9_force_and_laws_of_motion.pptx
LUXMIKANTGIRI

Newton's laws of motion
Newton's laws of motion
KayraineMaeCaballero1

Newton's laws of motion_564
Newton's laws of motion_564
Pritam Sarkar

Force And Laws Of Motion
Force And Laws Of Motion
Samyak Jain

### Similar to Newtons Laws of Motion new.ppt(20)

Newtons laws notes Jenny
Newtons laws notes Jenny

Physics in-everyday-life-motion
Physics in-everyday-life-motion

Newton's laws 2012 megan
Newton's laws 2012 megan

Newton's third law of motion
Newton's third law of motion

PHYSICAL SCI DIGITAL.pdf
PHYSICAL SCI DIGITAL.pdf

Newtons 3rd Law of Motion.ppt
Newtons 3rd Law of Motion.ppt

Force motion-magnetism
Force motion-magnetism

U1 module 1 forces and motion
U1 module 1 forces and motion

laws of motion.
laws of motion.

Basic Forces year 10 Physics powerpoint ml
Basic Forces year 10 Physics powerpoint ml

CH08 Force & law of motion by pmo.afak
CH08 Force & law of motion by pmo.afak

Forces and motion ch3.1
Forces and motion ch3.1

Force , Newton's Laws of Motion and Momentum
Force , Newton's Laws of Motion and Momentum

Newton's law
Newton's law

Newton's law of motion
Newton's law of motion

Newton's law of motion (2)
Newton's law of motion (2)

ch 9_force_and_laws_of_motion.pptx
ch 9_force_and_laws_of_motion.pptx

Newton's laws of motion
Newton's laws of motion

Newton's laws of motion_564
Newton's laws of motion_564

Force And Laws Of Motion
Force And Laws Of Motion

## More from kelvinencarnacion3

electronicchancemusic-180504054104.pptx
electronicchancemusic-180504054104.pptx
kelvinencarnacion3

kelvinencarnacion3

Non-Mendelian Patterns of Inheritance.pptx
Non-Mendelian Patterns of Inheritance.pptx
kelvinencarnacion3

artscraftsofcalabarzonbicolregion-180708083901.pptx
artscraftsofcalabarzonbicolregion-180708083901.pptx
kelvinencarnacion3

0708_laws_of_motion.ppt
0708_laws_of_motion.ppt
kelvinencarnacion3

kelvinencarnacion3

kelvinencarnacion3

Phys111_lecture04.ppt
Phys111_lecture04.ppt
kelvinencarnacion3

Nehemias.pptx
Nehemias.pptx
kelvinencarnacion3

MEDIEVAL ERA.pptx
MEDIEVAL ERA.pptx
kelvinencarnacion3

NEOCLASSICISM.pptx
NEOCLASSICISM.pptx
kelvinencarnacion3

Medieval music 2.pptx
Medieval music 2.pptx
kelvinencarnacion3

Medieval music 1.pptx
Medieval music 1.pptx
kelvinencarnacion3

### More from kelvinencarnacion3(13)

electronicchancemusic-180504054104.pptx
electronicchancemusic-180504054104.pptx

Non-Mendelian Patterns of Inheritance.pptx
Non-Mendelian Patterns of Inheritance.pptx

artscraftsofcalabarzonbicolregion-180708083901.pptx
artscraftsofcalabarzonbicolregion-180708083901.pptx

0708_laws_of_motion.ppt
0708_laws_of_motion.ppt

Phys111_lecture04.ppt
Phys111_lecture04.ppt

Nehemias.pptx
Nehemias.pptx

MEDIEVAL ERA.pptx
MEDIEVAL ERA.pptx

NEOCLASSICISM.pptx
NEOCLASSICISM.pptx

Medieval music 2.pptx
Medieval music 2.pptx

Medieval music 1.pptx
Medieval music 1.pptx

Revolutionary Recipes Brochure Final_1.pdf
Revolutionary Recipes Brochure Final_1.pdf
bmax2nd

High Girls Call Chandigarh 000XX00000 Provide Best And Top Girl Service And N...
High Girls Call Chandigarh 000XX00000 Provide Best And Top Girl Service And N...
gragkhusi

Griffith University diploma
Griffith University diploma
taena7

New Girls Call Mumbai 9920725232 Unlimited Short Providing Girls Service Avai...
New Girls Call Mumbai 9920725232 Unlimited Short Providing Girls Service Avai...
45unexpected

strip Mister No Libellus 100 - Bezdan.pdf
strip Mister No Libellus 100 - Bezdan.pdf
Stripovizijacom

Parasite 1:39:10 Peach Montage Sequence.
Parasite 1:39:10 Peach Montage Sequence.
marciajpeacock

City College of San Francisco,CCSF degree Cert offer diploma Transcripta
City College of San Francisco,CCSF degree Cert offer diploma Transcripta
ywazy

Copy of Copy of Black Modern Minimalist Presentation (5).pdf
Copy of Copy of Black Modern Minimalist Presentation (5).pdf
bilalpakweb

phyto atomy Satyabhama Shantanu Strawberry Body Butter 250g by Phyto Atomy.pdf
phyto atomy Satyabhama Shantanu Strawberry Body Butter 250g by Phyto Atomy.pdf
parareseller1

Hope is the Thing with Feathers class 7th
Hope is the Thing with Feathers class 7th

Presentación sobre icono de Edmundo rice
Presentación sobre icono de Edmundo rice
MickaelSevillanoSarm

PsR regulations 2024 public srrvice regulayion
PsR regulations 2024 public srrvice regulayion
wilmer257671

Vietnamese contemporary colorful paintings
Vietnamese contemporary colorful paintings
sandamichaela *

Tex Libellus 097 - Tombstone epitaph.pdf
Tex Libellus 097 - Tombstone epitaph.pdf
Stripovizijacom

CrypticEnclave_technical art project1.pptx
CrypticEnclave_technical art project1.pptx
MaxineHuang8

Mindthegap_technical_art_project_ppt.pptx
Mindthegap_technical_art_project_ppt.pptx
MaxineHuang8

Georgetown University degree Cert offer diploma Transcripta
Georgetown University degree Cert offer diploma Transcripta
uymudw

Cert-NLC.docx for national learning camp
Cert-NLC.docx for national learning camp
Liezl62

BBaez1

The University of Buckingham degree Cert offer diploma Transcripta
The University of Buckingham degree Cert offer diploma Transcripta
nyvufus

Revolutionary Recipes Brochure Final_1.pdf
Revolutionary Recipes Brochure Final_1.pdf

High Girls Call Chandigarh 000XX00000 Provide Best And Top Girl Service And N...
High Girls Call Chandigarh 000XX00000 Provide Best And Top Girl Service And N...

Griffith University diploma
Griffith University diploma

New Girls Call Mumbai 9920725232 Unlimited Short Providing Girls Service Avai...
New Girls Call Mumbai 9920725232 Unlimited Short Providing Girls Service Avai...

strip Mister No Libellus 100 - Bezdan.pdf
strip Mister No Libellus 100 - Bezdan.pdf

Parasite 1:39:10 Peach Montage Sequence.
Parasite 1:39:10 Peach Montage Sequence.

City College of San Francisco,CCSF degree Cert offer diploma Transcripta
City College of San Francisco,CCSF degree Cert offer diploma Transcripta

Copy of Copy of Black Modern Minimalist Presentation (5).pdf
Copy of Copy of Black Modern Minimalist Presentation (5).pdf

phyto atomy Satyabhama Shantanu Strawberry Body Butter 250g by Phyto Atomy.pdf
phyto atomy Satyabhama Shantanu Strawberry Body Butter 250g by Phyto Atomy.pdf

Hope is the Thing with Feathers class 7th
Hope is the Thing with Feathers class 7th

Presentación sobre icono de Edmundo rice
Presentación sobre icono de Edmundo rice

PsR regulations 2024 public srrvice regulayion
PsR regulations 2024 public srrvice regulayion

Vietnamese contemporary colorful paintings
Vietnamese contemporary colorful paintings

Tex Libellus 097 - Tombstone epitaph.pdf
Tex Libellus 097 - Tombstone epitaph.pdf

CrypticEnclave_technical art project1.pptx
CrypticEnclave_technical art project1.pptx

Mindthegap_technical_art_project_ppt.pptx
Mindthegap_technical_art_project_ppt.pptx

Georgetown University degree Cert offer diploma Transcripta
Georgetown University degree Cert offer diploma Transcripta

Cert-NLC.docx for national learning camp
Cert-NLC.docx for national learning camp

The University of Buckingham degree Cert offer diploma Transcripta
The University of Buckingham degree Cert offer diploma Transcripta

### Newtons Laws of Motion new.ppt

• 2. • How and why objects move as they do has fascinated scientists for thousands of years. • In the early 1600s, the Italian astronomer Galileo Galilei suggested that, once an object is in motion, no force is needed to keep it moving. • Force is needed only to change the motion of an object. • Galileo's ideas paved the way for Isaac Newton. • Newton proposed the three basic laws of motion in the late 1600s.
• 3. The First Law of Motion • Newton’s first law restates Galileo's ideas about force and motion. • Newton’s first law of motion states that an object at rest will remain at rest, and an object moving at a constant velocity will continue moving at a constant velocity , unless it is acted upon by an unbalanced force.
• 4. • If an object is not moving, it will not move until a force acts on it. • Clothes on the floor of your room will stay there unless you pick them up. • If an object is already moving, it will continue to move at a constant velocity until a force acts to change either its speed or direction.
• 5. • For example, a tennis ball flies through the air once you hit it with a racket. • If your friend doesn’t hit the ball back, the forces of gravity and friction will eventually stop the ball. • On Earth, gravity and friction are unbalanced forces that often change an object’s motion.
• 6. Inertia • Whether an object is moving or not, it resists any change to its motion. • Galileo’s concept of the resistance to a change in motion is called inertia. • Inertia is the tendency of an object to resist a change in motion. • Newton’s first law of motion is called the law of inertia.
• 7. • Inertia explains many common events, such as why you move forward in your seat when a car stops suddenly. • When the car stops, inertia keeps you moving forward. • A force, such as the pull of a seat belt, is required to change your motion.
• 8. • Some objects have more inertia than other objects. • For example, suppose you needed to move an empty aquarium and an aquarium full of water. • Obviously, the full aquarium is harder to move than the empty one, because it has more mass. • The greater the mass of an object, the greater its inertia, and the greater the force required to change its motion. • The full aquarium is more difficult to move because it has more inertia than the empty aquarium.
• 9. The Second Law of Motion • Suppose you are baby-sitting two children who love wagon rides. • Their favorite part is when you accelerate quickly. • When you get tired and sit in the wagon, one of the children pulls you. • He soon finds he cannot accelerate the wagon nearly as fast as you can. • How is the wagon’s acceleration related to the force pulling it?
• 10. • How is the acceleration related to the wagon’s mass? • According to Newton’s second law of motion, acceleration depends on the object’s mass and on the net force acting on the object. • This relationship can be written as an equation: Acceleration = Net Force/ Mass
• 11. • Acceleration is measured in meters per second per second (m/s2), and mass is measured in kilograms (kg). • According to Newton’s second law, then, force is measured in kilograms times meters per second per second (kg x m/s2). • The short for this unit of force is the newton (N). • Recall that a newton is the metric unit of force. • You can think of one newton as the force required to give a 1-kg mass an acceleration of 1 m/s2.
• 12. Sample Problem • A speedboat pulls a 55 kg water skier. The force causes the skier to accelerate at 2.0 m/s2. Calculate the net force that causes this acceleration. What information are you given? – Mass of water skier = 55 kg – Acceleration of the water skier = 2.0 m/s2
• 13. • What quantity are you trying to calculate? – The net force – What formula will you use? • Acceleration = Net force ÷ mass • OR Net Force = mass x acceleration • Perform the calculation – Fnet = m x a – F = 55 kg x 2.0 m/s2 – F = 110 kg x m/s2 – F = 110 N
• 14. Practice Problems • What is the net force on a 1,000 kg object accelerating at 3 m/s2? • What net force is needed to accelerate a 25 kg cart at 14 m/s2?
• 15. Changes in Force and Mass • How can you increase the acceleration of the wagon? • Look again at the equation. • One way to increase acceleration is by changing the force. • If the mass is constant, acceleration and force change in the same way. • So to increase the acceleration of the wagon, you can increase the force used to pull it.
• 16. • Another way to increase acceleration is to change the mass. • According to the equation, acceleration and mass change in opposite ways. • If the force is constant, an increase in mass causes a decrease in acceleration. • The opposite is also true: A decrease in mass causes an increase in acceleration with a constant force. • To increase the acceleration of the wagon, you can decrease its mass. • So instead of you, the children should ride in the wagon.
• 17. • Look at the pictures on the right. • Which vehicle do you think would require a greater force to push? • Why do you think this? • Using the equation, solve for the amount of force.
• 18. Newton’s Third Law of Motion • Newton proposed that whenever one object exerts a force on a second object, the second object exerts a force back on the first object. • The force exerted by the second object is equal in strength and opposite in direction to the first force. • Think of one force as the “action” and the other force as the “reaction.”
• 19. • Newton’s third law of motion states that if one object exerts a force on another object, then the second object exerts a force of equal strength in the opposite direction on the first object. • Another way to state Newton’s third law is that for every action there is an equal but opposite reaction.
• 20. Action-Reaction Pairs • You’re probably familiar with many examples of Newton’s third law. • Pairs of action and reaction forces are all around you. • When you jump, you push on the ground with your feet. • This is the action force. • The ground pushes back on your feet with an equal and opposite force. • This is the reaction force.
• 21. • You move upward when you jump because the ground is pushing you! • In a similar way, a kayaker moves forward by exerting an action force on the water with a paddle. • The water pushes back on the paddle with an equal reaction force that propels the kayak forward. • Now you can understand what happens when you teach your friend how to rollerblade. • Your friend exerts an action force when he pushes against you to start. • You exert a reaction force in the opposite direction. • As a result, both of you move in opposite directions.
• 22. Figure 15Action- Reaction Pairs Action-reaction pairs explain how a gymnast can flip over a vaulting horse, how a kayaker can move through the water, and how a dog can leap off the ground. Observing Name some other action- reaction pairs that you have observed.
• 23. Detecting Motion • Can you always detect motion when paired forces are in action? • The answer is no. • For example, when Earth’s gravity pulls on an object, you cannot detect Earth’s equal and opposite reaction. • Suppose you drop your pencil. • Gravity pulls the pencil downward.
• 24. • At the same time, the pencil pulls Earth upward with an equal and opposite reaction force. • You don’t see Earth accelerate toward the pencil because Earth’s inertia is so great that its acceleration is too small to notice.
• 25. Do Action-Reaction Forces Cancel? • Earlier you learned that if two equal forces act in opposite directions on an object, the forces are balanced. • Because the two forces add up to zero, they cancel each other out and produce no change in motion. • Why then don’t the action and reaction force in Newton’s third law of motion cancel out as well? • After all, they are equal and opposite.
• 26. • The action and reaction forces do not cancel out because they are acting on different objects. • Look at the volleyball player on the left in Figure 16. • She exerts an upward action force on the ball. • In return, the ball exerts an equal but opposite downward reaction force back on her wrists. • The action and reaction forces act on different objects.
• 27. • On the other hand, the volleyball players on the right are both exerting a force on the same object – the volleyball. • When they hit the ball from opposite directions, each of their hands exerts a force on the ball equal in strength but opposite in direction. • The forces on the volleyball are balanced and the ball does not move either to the left or to the right.
• 28. • How fast will an 800kg car accelerate if it is pushed with 4000N of force? • How fast will a 0.15kg hockey puck accelerate if it is hit with 1.2 N of force?
Current LanguageEnglish
Español
Portugues
Français
Deutsche