Question

If a body moves with a uniform speed in a circular motion, then______.
A) its acceleration is increasing B) its acceleration is zero C) its velocity is changing D) its velocity is uniform

Answer 1

Answer:

C) its velocity is changing

Explanation:

If a body moves with a constant speed along a circular motion, then the velocity of the body will not be constant because velocity is the speed in a specified direction and here the direction of speed changes continuously.

Answer 2

Its velocity keeps changing. A rotating body can have constant speed but still can accelerate when it is in uniform circular motion, in which speed remains constant, but the direction of velocity changes with every point in the direction of tangent drawn from that point to the imaginary circle (that is, the object is rotating).

So, the correct option is C)

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