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14 questions
Your friend pushes you for making fun of him/her. What is the reaction force?
You pushing back on your friend
You pushing on the ground
There is no reaction force
Your friend pushing on the ground
When you jump up, you push the earth downwards. Why can't you tell that the earth has moved?
The force of you jumping up doesn't actually push the earth down.
The earth has much more mass so it doesn't move at all
The earth is firmly rooted
The earth has much more mass so you can't tell that it moved
When you hit a tennis ball with a racket...
The ball exerts more force on the racket
The ball and racket exert the same force on each other
The racket exerts more force on the ball
It depends on how hard you hit it
Two students with different masses are sitting in roll-y chairs. The lighter one uses his feet to push the other
The lighter student will move faster because he has less mass
The heavier student will move more because he is being pushed
They will move with the same speed
The heavier student shouldn't move at all
When you jump upwards, what force is moving you upwards once you leave the ground?
Gravity on to you
The air on to you
You on to the earth
There is no upward force once you leave the ground
How is this an example of Newton’s Third law?
Only the ball is using the head
They are both exerting an equal force on each other
Only the head is pushing the ball
Newton's Third Law is also known as...
The Law of Inertia
The Law of Acceleration
The Law of Conservation of Momentum (Force Pairs)
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