MHT CET Physics question

Physics Systems of Particles and Rotational Motion MHT CET

A ring, a solid sphere and a disc have same mass and radius. Which of them have the largest moment of inertia? [MHT-CET 2004, MHT-CET 2004]

(A)All have the same moment of inertia
(B)Ring onlyCorrect
(C)Solid sphere only
(D)Disc only

Answer: (B)

Solution

About the usual axes , and , so the ring has the largest value;

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Question ID VK-041100