S.T. the time rate of the total angular momentum of a system of particles about a point is equal to the sum of the external torques acting on the system taken about the same point.

Prove that the rate of change of total angular momentum of a system of particles is equal to the total torque acting on the system.

The rate of change of angular momentum of a system of particles about the centre of mass is equal to the sum of external torque about the centre of mass when the centre of mass is :

The rate of change of angular momentum of a system of particles about the centre of mass is equal to the sum of external torque about the centre of mass when the centre of mass is :

Prove that the time rate of change of the angular momentum of a particle is equal to the torque acting on it.

The rate of change of total momentum of a many-particle system is proportional to the external force/sum of the internal forces on the system.

The rate of change of total momentum of a many -particle system is proportional to the external force/sum of the internal forces on the system .

Find the total torque acting on the body shown in the figure about the point O .

Show the rate of change of angular momentum of a particle is equal to the torque acting on it.