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Question

A body moving in circular motion with constant speed has :

A
constant velocity
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B
constant acceleration
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C
constant kinetic energy
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D
constant displacement
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Solution

The correct option is B constant kinetic energy
A body moving along a circular path moves such that it traverses equal arc-length in equal intervals of time. Displacement, velocity and acceleration changes at each point on the trajectory.Hence, the speed is uniform and consequently the kinetic energy is also constant throughout.

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