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

Question

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, Of the box remains constant, Of the box plus the ball system remains constant, Of the ball remains constant, Of the ball relative to the box remains constant

MARKS App · Accepted Answer

Since no external force is present on the system. So, the centre of mass of the system will not be changed. Hence, the center of mass of the box plus the ball system remains constant.

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