Underline the correct alternative : 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.

Underline the correct alternative : The rate of change of total momen

1.	Underline the correct alternative : 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.
Answer» SOLUTION :EXTERNAL FORCE