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JEE PHYSICS MCQ: SYSTEM OF PARTICLES
1
Medium
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Understanding
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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 center of mass
on a smooth surface. The center of mass
View answer and explanation
Correct option: B
Of the box plus the ball system remains constant
Option B (Of the box plus the ball system remains constant) is correct because there is no external force acting on the box-ball system.
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