Explain Center of Mass

The Centre of the mass of a body or system of a particle is defined as, a point at which the whole of the mass of the body or all the masses of a system of particles appears to be concentrated.

How is the centre of mass considered?

  • This mass is supposed to be located at the centre of mass in order to simplify calculations The motion of the centre of mass characterizes the motion of the entire object.
  • The centre of mass may or may not be the same as the geometric centre if a rigid body is considered. It is considered a reference point for many other calculations of mechanics.
  • The centre of mass of a rigid body is a point whose position is fixed with respect to the body as a whole. The point may or may not lie in the body.
  • The position of the centre of mass of a rigid body depends on the shape of the body Distribution of mass in the body.
  •  The point can be real or imaginary, for example, in the case of a hollow or empty box the mass is physically not located at the centre of the mass point.

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