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Introduction

For a particl...

Question

For a particle moving along a circular path with a constant speed, the acceleration is constant in

A

Magnitude

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B

Direction

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C

Both magnitude and direction

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D

Neither magnitude nor direction

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Solution

The correct option is C Magnitude
If the particle is moving with uniform speed, it doesn't have tangential acceleration, but it has centripetal acceleration whose magnitude is constant $= m v^{2} / R$ but direction keeps changing.

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