Question

Define uniform circular motion and give example of it. Why is it called accelerated motion?

Answer 1

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Circular motion:
The motion of a body in which the body moves with constant speed in a circular direction is called uniform circular motion.

it is called the accelerated motion because it's velocity changes with respect to time.

EXPLANATION :

We know that the velocity is the speed in a particular direction and here in the circular motion direction of a body is changes regularly and hence its velocity also changes so we say that it is in an accelerated motion.

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Answer 2

Uniform circular motion is defined when a body revolves around fixed point in a perfect circle of radius 'r' with a constant speed.

It's example is when you revolves tied some with a rope...

It is an accelerated motion by the definition of vectors as it's velocity is changing at each and every instant.

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