the radius of gyration of solid dphere of radius R about a certain axis is R the dist - Physics - Systems of Particles and Rotational Motion

Question

the radius of gyration of solid dphere of radius R about a certain
axis is R the dist of this axis from the centre is

Sayantan · Accepted Answer

Dear Student,

We have the formula,

I=ICM+MD2also I=MK2  where K=radius of gyration and D is the distance of axis of rotation from the axis passing through CMthus given K=R  and Icm=25MR2we have,25MR2+MD2=MR2or, D2=35R2or, D=±35R

Regards

the radius of gyration of solid dphere of radius R about a certain axis is R . the dist of this axis from the centre is