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taurus [48]
2 years ago
15

Why does the momentum of a billiard ball rolling on a billiard table change?

Physics
1 answer:
stiv31 [10]2 years ago
8 0

If the billiard ball is going at the constant speed and contains its mass then the momentum WONT be changing. But realistically you have external forces like friction and air resistance changing the velocity thus changing the momentum. In this case momentum is not conserved because you're introduction an external force.

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