Question

A person says that he measured acceleration of a particle to be non-zero while no force is acting on the particle. Then:

• 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 of reference

Answer 1

The correct option is D he might have used non-inertial frame of reference

A noninertial frame of reference that moves with the object, so that the moving object appears to violate Newton's laws of motion since it accelerates despite having no horizontal forces on it.

Ans: (D)