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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 is perpendicular to the velocity of the particle , the motion of the particles takes place is a plane it follow that

A

(a) Its velocity is constant

B

(b) Its acceleration is constant

C

(c) Its kinetic energy is constant

D

(d) It moves in a circular path

Text Solution

Verified by Experts

The correct Answer is:
C, D
The given case is of uniform circular motion, in which speed or kinetic energy remains constant. Directions of velocity and acceleration keep on changing although their magnitudes remain constant.
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