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Physics Question on Uniform Circular Motion

In uniform circular motion, the factor that remains constant is

A

acceleration

B

momentum

C

kinetic energy

D

linear velocity

Answer

kinetic energy

Explanation

Solution

When a particle moves on a circular path with constant speed, then its motion is said to be uniform circular motion in a plane. This motion has an acceleration whose magnitude is constant, but whose direction changes continuously. Since, kinetic energy is the energy possessed by a body due to velocity (v)(v) hence it remains constant.
K=12mv2K=\frac{1}{2} m v^{2}