If the resultant force on a system of particles is non-zero, then:

If the external force acting on a system of particle is zero then …………..

If the total external forces on the system of particle is zero, then find the velocity and acceleration of its centre of mass.

If the resultant of all the external forces acting on a system of particles is zero, then from an inertial frame, one can surely say that

If net force on a system of particles is zero, then match the following.

The sum of all the external forces on a system of particles is zero. Which of the following must be true for the system of particles ?

If the resultant external force on a system is zero, then the total…………of system remains constant.