A person says that he measured the acceleration of a particle to be nonzero while no force was acting on the particle.
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 noninertial frame.
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(d) He might have used noninertial frame.
Explanation:
(d) is true because if a particle with no force acting on it is viewed from a non-inertial frame that is moving with a certain acceleration, then the particle will be seen moving with nonzero acceleration.
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