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.
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.
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.
