The M.I. of the solid sphere of density 'rho' and radius 'R' about an axis passing through its centre is given by

The M.I. of the solid sphere of density 'p' and radius'R' about an axis passing through its centre is given by

The moment of inertia of a sphere of mass M and radius R about an axis passing through its centre is (2)/(5) MR^(2) . The radius of gyration of the sphere about a parallel axis to the above and tangent to the sphere is

The M.I. of disc of mass M and radius 'R' about an axis passing through midway between centre and circumference and perpendicular to its plane is

The moment of inertia of a sphere of radius R about an axis passing through its centre is proportional to-

The moment of inertia of a solid sphere of density rho and radius R about its diameter is given by :

The moment of inertia of a solid sphere of radius R about an axis passing through its diameter is I. The sphere is melted and recast into a circular disc of thickness frac{R}{3} . The moment of inertia of this disc about an axis perpendicular to plane and passing through its centre of mass is