Blog ppt newton's 3rd law english
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Transcript of Blog ppt newton's 3rd law english
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ANANDU S APhysical ScienceReg.No. 182 14 340 003
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Newton’s 3rd Law• For every action there is an equal and
opposite reaction.
Book toearth
Table tobook
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Example 1
A horse harnessed to a cart exerts an equal and opposite force to the cart as it exerts a force against the ground.
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Example 2
Space shuttle’s rocket boosters propel the orbiter into space by exerting an equal and opposite force to exhaust gasses.
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Action: earth pulls on you
Reaction: you pull on earth
Action and Reaction on Different Masses
Consider you and the earth
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Action: tire pushes on roadReaction: road pushes on tire
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Action: rocket pushes on gases
Reaction: gases push on rocket
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Concept Question 1
Why are we able to
walk?
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Answer
We walk forward because when one foot pushes backward against the ground, the ground pushes forward on that foot.
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Concept Question 2
What makes a car go forward?
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Answer By Newton’s third
law, the ground pushes on the tires in the opposite direction, accelerating the car forward.
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ReviewNewton’s Third Law:
For every action there is an equal and opposite reaction.
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THANKYOU