If the net force acting on the system of particles is zero, then why position of centre of mass vary

Asked by  | 14th Apr, 2008, 12:43: PM

Expert Answer:

 If the net force on the system is zero, then the acceleration of the centre of mass is zero.

Zero acceleration implies constant velocity and not zero velocity.

The centre of mass can continue to move with the same velocity if the net force is zero.

Answered by  | 15th Apr, 2008, 07:50: PM

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