The velocity of centre of mass of the system remains constant, if the total external force acting on the system is

If net external force acting on the system is zero then

Calculate centre of mass of the system

If no external force acts on a system

If no external force acts on a system

Find the velocity of center of mass of the system shown in the figure.

A system consists of two particles. At t=0 , one particle is at the origin, the other, which has a mass of 0.60kg , is on the y-axis at y=80m . At t=0 , the centre of mass of the system is on the y-axis at y=24m and has a velocity given by (6.0m//s)t^2hatj . (a) Find the total mass of the system. (b) Find the acceleration of the centre of mass at any time t. (c) Find the net external force acting on the system at t=3.0s .

The co-ordinates of the centre of mass of the system as shown in figure are

The magnitude of acceleration of centre of mass of the system is

If temperature of the system remains constant during the course of change, the change is

Statement-1: if there is no external torque on a body about its centre of mass, then the velocity of the center of mass remains constant. Statement-2: The linear momentum of an isolated system remains constant.