Question

Name a physical quantity that (a) varies and (2) remains same in the uniform circular motion?

Answer 1

Answer:

Velocity varies in circular motion due to change in direction at each point.

But speed remains same as it doesn't depend on the direction.

Explanation:

Answer 2

Answer:

When an objects moves in a circular path:

⇒It has uniform speed  

⇒Velocity changes

Reason:

Uniform speed :

            " If an object covers equal distance in equal interval of times, we say that it is travelling with uniform speed "

⇒As direction of motion changes for every point in a circle , velocity of object also changes.

⇒As velocity is changing, we can the motion of the object is accelerated.