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One solid sphere A and another hollow spher B are of same mass and same outer radii. Their moment of inertia aobut their diameters are respectively `I_A and I_B` such that
where `d_A and d_B` are their densities,
A. `I_A lt I_B`
B. `I_A gt I_B`
C. `I_A = I_B`
D. `(I_A)/(I_B) = (d_A)/(d_B)`

1 Answer

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Best answer
Correct Answer - A
(a) The moment of inertia of solid spere A about its diameter
`I_A = (2)/(5)MR^2`
The moment of inertia of a hollow sphere B about its
diameter `I_B = (2)/(3)MR^2. :. I_AltI_B`

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