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junior college 2 chevron_right Physics

Q6: Explain why is linear momentum conserved during the collision of ball with the floor.

I thought momentum is only conserved before and after, and not during the collision?

Date Posted: 5 years ago
Views: 467
5 years ago
Linear momentum is always conserved provided no external resultant force acts on the system.

If you consider the system as the ball and the floor then contact forces between ball and floor during collision are not external forces hence linear momentum is still conserved during collision

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Peter Ong
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