If moment of inertia of disc about the diameter is given as I , then the moment of inertia of the same disc about an axis perpendicular to its plane and passing through its rim is

Question

If moment of inertia of disc about the diameter is given as I , then the moment of inertia of the same disc about an axis perpendicular to its plane and passing through its rim is, 6 I, 4 I, 2 I, 8 I

MARKS App · Accepted Answer

Moment of inertia of a disc about diameter is 1 4 MR 2 = I (given) ∴ MR 2 = 4 I Now, required moment of inertia = 3 2 MR 2 = 3 2 4 I = 6 I

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