Question

Unit of MI. of a lamina having area in m^2
and distance in m is
m^3
m^
N-m^2
N-m^3
N​

Answer 1

Radius of gyration or gyradius of a body about an axis of rotation is defined as the radial distance to a point which would have a moment of inertia the same as the body's actual distribution of mass, if the total mass of the body were concentrated there.

Mathematically the radius of gyration is the root mean square distance of the object's parts from either its center of mass

Answer 2

Radius of gyration of a body about an axis of rotation is defined as the radical distance at a point which would have a moment of inertia the same as the body's actual distribution of mass, if the total mass of the body were concentrated there..

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