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UNIFORM CIRCULAR MOTION

In which dimensions

Question 1

Uniform Circular Motion is a two dimensional motion

Hint

Dimensions of a circular path ?

Question 2

Uniform Circular Motion is a Uniform motion

Hint

Velocity is a vector quantity

Speed and Velocity

In Uniform circular motion, speed remains , but velocity is

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Why Acceleration ?

Uniform circular motion is a non uniform motion

Uniform circular motion is an accelerated motion because of velocity continuously changes.

The acceleration of Uniform circular motion is called acceleration since it is always directed towards the of the circular path

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Centripetal Acceleration

In uniform circular motion speed, angular velocity (ω)  and R are constants, and

f is frequency of motion, ω =2πf

The magnitude of the centripetal acceleration

Its direction pointing always towards the centre.

Centripetal acceleration vector

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