Whai is centre of mass?
Centre of mass of a body is a hypothetical point where whole mass of the body is supposed to be situated
Centre of mass of a system of a body is a point in system where if whole mass of the system supposed to be concentrate and then is point would have a type of rotational motion as a system as a whole
CM.is a point at which entire mass of the body is suppose to be concentrated at that point
It can also be defined as a point around which mass moment of all particles comes to be zero ...
Tnx 4 d answr Sakshi
The point at the centre where all the mass of object is concentrated is centre of mass