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NEET UG PHYSICS MCQ: SYSTEM OF PARTICLES

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A non-zero external force acts on a systems of particles. The velocity and acceleration of the centre of mass are found to be

{v_0}\,and\,{a_0}

at an instant t. It is possible that

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Correct option: B

{v_0} = 0,{a_0} \ne 0

Option B (

{v_0} = 0,{a_0} \ne 0

) is correct because a non-zero external force implies a non-zero acceleration of the center of mass, even if the initial velocity is zero.

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