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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

its velocity is constant

B

its K.E. is constant

C

its acceleration is constant

D

it moves in a straight line

Text Solution

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The correct Answer is:
B
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A particle is acted upon by a force of constant magnitude which is always perpendiculr to the velocity of the particle. The motion of the particle takes place in a plane. It follows that

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Knowledge Check

  • the circular motion of a particle with constant speed is

    A
    periodic and simple harmonic
    B
    simple harmonic but not periodic
    C
    neither periodic nor simple harmonic
    D
    periodic but not simple harmonic

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