Answer:
The moment of inertia of a rigid body about' an axis is the sum of the products of the masses of its various particles and squares of their perpendicular distances from the axis of rotation. \[I=\Sigma {{m}_{i}}r_{i}^{2}\] The moment of inertia of a body depends on (i) Mass of the body. (ii) Size and shape of the body. (iii) Distribution of mass about the axis of rotation. (iv) Position and orientation of the axis of rotation with respect to the body.
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