A body whose speed in a particular direction is constant

must be accelerating

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must be retarding

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has a constant velocity

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all the above

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Solution

The correct option is C has a constant velocity
Velocity is a vector, which is speed plus direction. The body is moving in a particular direction with constant speed, means direction is constant and speed is also constant which means velocity is constant.

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Similar questions

A body whose speed is constant

(a) must be accelerated

(b) might be accelerated

(d) cannot be accelerated

Mark the correct statement(s)
(1) If speed of a body is varying, its velocity must be varying and it must have non-zero acceleration.

(2) If velocity of a body is varying, its speed must be varying.

(3) A body moving with varying velocity may have constant speed.

(4) A body moving with varying speed may have constant velocity, if its direction of motion remains constant.

explain why the motion of a body which is moving with a constant speed in a circular path is set to be accelerated.

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