In case of bodies of regular shapes, the centre of gravity coincides with the centre of

A : If an object is taken to the centre of earth, then its centre of gravity cannot be defined. R : At the centre of earth acceleration due to gravity is zero.

A : If an object is taken to the centre of earth, then its centre of gravity cannot be defined. R : At the centre of earth acceleration due to gravity is zero.

Under which condition (i) the centre of buoyancy coincides with the center of gravity (ii) the centre of bouyancy does not coincide with the centre of gravity.

Define the term centre of gravity of a body?