Question

define ucm is it an accelerated motion​

Answer 1

Answer:

In U.C.M, the magnitude of linear velocity (speed) remains constant but the direction of linear velocity goes on changing i.e., linear velocity changes.

The change in linear velocity is possible only if the motion is accelerated. Hence, U.C.M is an accelerated motion.

Answer 2

When a body moves in a circular path at a constant speed it's motion is said to be uniform circular motion.

It is called accelerated motion because the velocity of the body at each and every point keeps on changing which provides acceleration to the body.

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