Question
Moment of inertia of a hollow cylinder of mass $M$ and radius $r$ about its own axis is:(a) $\frac{2}{3} M r^{2}$(b) $\frac{2}{5} M r^{2}$(c) $\frac{1}{3} M r^{2}$(d) $\mathrm{Mr}^{2}$
Step 1
Step 1: The moment of inertia of a uniform circular disk of radius $R$, and mass $M$, about an axis passing through the center of mass and normal to the disk is given by $I_{cm} = \frac{1}{2} M R^{2}$. Show more…
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Section B
The moment of inertia of a thin uniform disc of mass $\mathrm{M}$ and radius $\mathrm{R}$ about a chord of length $\mathrm{R}$ is (a) $\frac{M R^{2}}{2}$ (b) $\frac{\mathrm{MR}^{2}}{4}$ (c) $\frac{5}{4} \mathrm{MR}^{2}$ (d) $\mathrm{MR}^{2}$
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