What is buoyancy and centre of buoyancy?

What do you understand by buoyancy and centre of buoyancy ?

What is buoyancy or force of buoyancy ?

What is the centre of buoyancy? State its position for a floating body with respect to the centre of gravity of the body.

Define buoyancy.

Force OF Buoyancy

The centre of gravity and the centre of buoyancy of a floating body, in stable equilibrium, (i) are always same. (ii) are always along a same vertical line.