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A particle is acted upon by a force of c...

A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle, the motion of the particle takes place in a plane. It follows that :

A

its velocity is constant

B

its acceleration is constant

C

its kinetic energy is constant

D

it moves in a straight line

Text Solution

Verified by Experts

The correct Answer is:
C
As force is constant in magnitude, the magnitude of velocity is constant. Its direction changes. Therefore, the K.E. is constant.
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