Collisions Flashcards

1
Q

What is the basic rule of collisions with a bouncy ball?

A

When a bouncy ball collides with a much heavier object that’s at rest, it bounces off at the same speed in the opposite direction.

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2
Q

What are the three rules of colliding balls?

A

1) In a collision, a force acts at the point of contact.
2) The force pushes along the line connecting the centers of the balls.
3) The ball that feels a force applies an equal “reaction” force on the ball that hit it.

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3
Q

What is the general rule of relativity?

A

Nature doesn’t depend on how we look at it. A physical process is the same no matter what perspective we use to think about it.

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