Question

Which one is not conserved in uniform circular motion?

Answer 1

Answer:

Velocity is not conserved in uniform circular motion

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Answer 2

Answer:

Linear momentum is not conserved in a uniform circular motion.

Explanation:

• When a body performs uniform circular motion its velocity changes at every point of motion.
• This velocity change is only in terms of direction not in terms of magnitude.

And we know linear momentum is given as,

$P=mv$        (1)

Where,

P=liner momentum of the body

m=mass of the body

v=velocity with which the body is moving

By keeping mass constant we can also write equation (1) as,

$P\propto v$       (2)

From equation (2) we can see that linear momentum is directly proportional to velocity. So, if velocity is not constant then linear momentum will not be conserved.

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