Establish the relation between torque and angular acceleration. Hence define moment.
Calculate the ratio of radii of gyration of a circular ring and a disc of the same Radius with
respect to the axis passing through their centres and perpendicular To their planes.
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Explanation:
When a torque is applied to an object it begins to rotate with an acceleration inversely proportional to its moment of inertia. This relation can be thought of as Newton's Second Law for rotation. The moment of inertia is the rotational mass and the torque is rotational force. Angular motion obeys Newton's First Law.
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