A particle is acted upon b a force of constant magnitude which is always perpendicular to the velocity of the particle.
A particle is acted upon b a force of constant magnitude which is always perpendicular to the velocity of the particle. The mootio 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
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Correct Option (c) Kinetic energy is constant
(d) It moves in a circular path
Explanation:
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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