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28 June, 15:47

A body is moving in a perfect circle at a constant speed. are there any forces acting on this body? how do you know?

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  1. 28 June, 16:03
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    Yes, there are forces acting on a body moving in a perfect circle at a constant speed.

    Although the speed of the object is constant but the direction is changing continuously. A force is needed to change the direction and that force is called as the centripetal force. So an object moving in a circular path at constant speed is acted by centripetal force.
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