A solid cylinder of mass M and radius R rolls on a flat surface. Find its moment of inertia about the line of contact.

Question

A solid cylinder of mass M and radius R rolls on a flat surface. Find its moment of inertia about the line of contact., 3 2 M R 2, M R 2, 2 M R 2, 2 3 M R 2

MARKS App · Accepted Answer

Moment of inertia of solid cylinder about O , I C M = 1 2 M R 2 Moment of inertia about point of contact P , I P = I C M + M R 2 (using parallel axis theorem) = 1 2 M R 2 + M R 2 = 3 2 M R 2

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