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CGP EDU Academic Team
Published on: August 12, 2026
Three objects, A: (a solid sphere), B: (a thin circular disk) and C: (a circular ring), each have the same mass M and radius R. They all spin with the same angular speed 01 about their own symmetry axes. The amounts of work (W) required to bring them to rest, would satisfy the relation.
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Verified by ExpertsThe correct answer is:
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A - Solid sphere
B - Thin circular disc
C - Circular ring
As all are rotating about their own symmetry axis, they have rotational KE
s
W C >W B >W A
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