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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 perpendiculr 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 is a straight line

Text Solution

Verified by Experts

The correct Answer is:
C
When a force of constant magnitude acts on velocity of particle perpendicular, then there is no change in the kinetic enegy of particle. Hence, kinetic enegry remains constant.
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