Q. 93.8( 4 Votes )

A person says that he measured the acceleration of a particle to be nonzero while no force was acting on the particle.
A. He is a liar.

B. His clock might have run slow.

C. His meter scale might have been longer than the standard.

D. He might have used non-inertial frame

Answer :

If no force is acting on the particle, then it can be seen accelerating only from an accelerated frame which is a non-inertial frame.

Thus, option D is correct.

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