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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

Velocity is constant

B

Acceleration is constant

C

Kinetic energy is constant

D

It moves in a circular path

Text Solution

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The correct Answer is:
C, D
In the given condition, the particle undergoes uniform circular motion and for uniform circular motion the velocity and acceleration vector changes continuously, but kinetic energy is constant for every point.
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