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If the net external forces acting on the...

If the net external forces acting on the system oif particles is zero, then which of the following may vary?

A

Momentum of the system

B

Kinetic energy of the system

C

Acceleration of centre of mass

D

All of these

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The correct Answer is:
B
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AAKASH INSTITUTE ENGLISH-MOCK TEST 10-Elxample
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