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Rotational Inertia

The moment of...

Question

The moment of inertia of a cube of mass $m$ and side a about one of its edges is equal to

A

\frac{2}{3} m a^{2}

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B

\frac{4}{3} m a^{2}

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C

3 m a^{2}

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D

\frac{8}{3} m a^{2}

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Solution

The correct option is A $\frac{2}{3} m a^{2}$

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