An iron disc and a wooden disc have the same radius. Then which will have larger moment of inertia about the diameter ?

An iron ball and a wooden ball have the same radius. Then which will have smaller moment of inertia about the diameter ?

An iron ball and a wooden ball have the same radius. Then which will have smaller moment of inertia about the diameter ?

A steel ring and a wooden ring have the same mass. Then which will have smaller moment of inertia about the diameter ?

A steel ring and a wooden ring have the same mass. Then which will have smaller moment of inertia about the diameter ?

A steel sphere and a wooden sphere have the same mass. Then which will have greater moment of inertia about the diameter ?

A steel sphere and a wooden sphere have the same mass. Then which will have greater moment of inertia about the diameter ?

A circular ring and a disc have same mass and radius. Which has larger moment of inertia?

What is the moment of inertia of a disc about their diameters?

A disc is recast into a thin walled cylinder of same radius. Which will have large moment of inertia?

A disc is recast into hollow and thin cylinder of same radius, which will have larger moment of inertia.