Class 9 | Physics | Motion - Uniform Circular Motion
Channel: Tutelf
Date: 2020-06-26

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CBSE | NCERT | Class 9 | Physics | Chapter 8 | Motion - Topic - Uniform Circular Motion 

What is the acceleration? what is uniform motion? What is the speed of an object in a circle?

Uniform Circular Motion is an accelerated motion along a circular path. In uniform circular motion speed of the object remains constant but the direction of velocity at each point changes continuously with motion since a circle has an infinite number of points. 

The direction of velocity at any point is given by the tangent drawn at that point. The velocity of a body which takes t seconds to cover a circumference of 2πr meter is given as circumference divided by the time taken.

Formula:  v= 2πr/t
 
Uniform circular motion is directed radially inwards or outwards? Inwards! Think why?

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