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

A particle is acted upon by a force of constant magnitude which is always is perpendicular to the velocity of the particle, the motion of the particles takes place is a plane it follow that

A

its velocity is constant

B

its acceleration is constant

C

its KE is constant

D

it moves in a circular path

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The correct Answer is:

C, D

As force is always perpendicular to velocity, type of motion is circulat motion. Also , as in uniform circular motion speed is always constant, therefore, KE is constant.

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