Define radius of gyration derive an expression for it

1.	Define radius of gyration derive an expression for it
Answer» The radius of gyration of a body about a given axis is the perpendicular distance of a point P from the axis, where if whole mass of the body were concentrated, as the body shall have the same moment of inertia as it has with the actual distribution of mass.\xa0Radius of gyration is represented by K.\xa0

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