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If the resultant of all the external for...

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

A

linear momentum of the system does not change with time

B

kinetic energy of the system does not change with time

C

angular momentum of the system does not change with time

D

potential energy of the system does not change with time

Text Solution

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The correct Answer is:
A
Linear momentum is constant if net external force on the system of particles is zero.
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