Question

what is radius of gyration

Answer 1

$<h><i>Radius of gyration is a distance of a point from the axis of rotation.</i></h>$

=》In this case the moment of given axis is same as with its mass.

=》It depends on axis of rotation .


Hope you understand...☆☆

Answer 2

$\textbf{ Radius of gyration }$:

It is defined as the distance from axis of rotation at which whole mass if the body to be concentrated, its MI about the given axis would be the same as with the distance of masses.