A body whose speed is constant

(a) must be accelerated

(b) might be accelerated

(c) has a constant velocity

(d) cannot be accelerated

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Solution

Answer: (b) might be accelerated
A body whose speed is constant must be accelerated if its direction gets changed.
For example, A body performing uniform circular motion has constant speed but a non-zero acceleration as its direction is changing. Thus, it is an example of accelerated motion with constant speed.

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Similar questions

If the acceleration of a body is not zero, then its velocity can be constant.

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.

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