A ball kept in a closed box moves in the box making collisi… | CGP Edu

Physics Center of Mass General MCQ (Single Correct)

A ball kept in a closed box moves in the box making collisions with the walls. The box is kept on a smooth surface. The centre of mass :

A

of the box remains constant

B

of the box plus the ball system remains constant

C

of the ball remains constant

D

of the ball relative to the box remains constant

Text Solution

Verified by Experts

The correct answer is:

Net external force on box plus ball system is zero.

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