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Mass and Inertia

why moments o...

Question

why moments of inertia is called rotational inertia

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Solution

Rotational inertia is the mass Moment of inertia comes into play when body rotates about some particular axis and plays the same role as mass plays in linear motion.

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Q. Assertion :Moment of inertia depends on the axis of rotation and the nature of distribution of the mass of the body. Reason: Moment of inertia is the rotational inertia of the body.

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