CBSE-XI-Physics
05: Newton's Laws of Motion
- #9A person says that he measured the acceleration of a particle to be non-zero even though no force was acting on the particle.
(a) He is a liar.
(b) His clock might have run slow.
(c) His metre scale might have been longer than the standard.
(d) He might have used a non-inertial frame.digAnsr: dAns : (d) He might have used a non-inertial frame
If no force is acting on a particle and yet, its acceleration is non-zero, it means the observer is in a non-inertial frame.
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