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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 in time

B

kinetic energy of the system does not change in time

C

angular momentum of the system does not change in time

D

potential energy of the system does

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The correct Answer is:
A
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MOTION-10 ROTATIONAL-Exercise - 4 (Level - II)
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  9. A thin uniform rod, pivoted at O, is rotating in the horizontal plane ...

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  12. Consider a disc rotating in the horizontal plane with a constant angul...

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  14. The general motion of a rigid body can be considered to be a combinati...

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