Obtain an expression for the position vector of centre of mass of a two particle system.

What is centre of mass of a body ? Obtain an expression for the positive vector of a centre of mass of two particle system.

Obtain an expression for the position vector of centre of mass of a system of n particles.

Obtain an expression for the position vector of centre of mass of a system n particles in two dimension.

Obtain an expression for the position vector of centre of mass of a system of n particles in one dimension.

Write an expression for the position vector of the centre of mass of n-particle system. Also write the equations of motion which govern the motion of the centre of mass

Derive an expression for the position vector of the center of mass of particle system.

The centre of mass of two particles system lies

The centre of mass of two particles system lies

Write an expression for position vector of centre of mass system of two paraticles lie on x-axis.