Questions on centre of mass of system of particle and bodies

Centre of mass of system of particle and continuous bodies

Define centre of mass of a system of particles.

Write the expression of centre of mass of a system of .n. particles and derive the formula of force acting on its centre of mass.

The position of centre of mass of system of particles at any moment does not depend on.

The position of centre of mass of system of particles at any moment does not depend on

Select the WRONG statement. The location of centre of mass of a system of particles

How does centre of mass of a system of particles move ?

Give the expression for the centre of mass of a system of particles along any one axis.

The motion of centre of mass of a system of two particles is unaffected by their internal forces