sir please explain it .... why centripital force acts inside the circle 

Asked by Rohan | 11th Aug, 2015, 09:27: PM

Expert Answer:

When an object is moving around the circle, there is continuous change in direction of an object and hence it undergoes acceleration. This acceleration is directed towards the center of the circle. In accord with Newton's second law of motion, an object which experiences acceleration must also be experiencing a net force. The direction of the net force is in the same direction as the acceleration. So when object moving in a circle, there must be inward force called centripetal force acting upon it in order to cause its inward acceleration. 

Answered by Priyanka Kumbhar | 12th Aug, 2015, 09:01: AM

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