Kinematics Question 734

Question: The average acceleration vector for a particle having a uniform circular motion is[Kurukshetra CEE 1996]

Options:

A) A constant vector of magnitude $ \frac{v^{2}}{r} $

B) A vector of magnitude $ \frac{v^{2}}{r} $ directed normal to the plane of the given uniform circular motion

C) Equal to the instantaneous acceleration vector at the start of the motion

D) A null vector

Show Answer

Answer:

Correct Answer: D

Solution:

In complete revolution change in velocity becomes zero so average acceleration will be zero.



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