Write the formula of the radius of gyration. Also, write its uses.

Ans. The formula of the radius of gyration

                                                   k=I/m

Where, 

I = moment of inertia

m = mass of a body

k = radius of gyration

It is applicable to compare different structural shapes that will behave when compressed along a single axis. It is also used in the compression of beams and members for buckling.