A stone is moving in a circular path with constant speed. Which of the following statements about its motion is correct?
The stone experiences a constant acceleration directed towards the centre of the circle
In uniform circular motion the speed stays the same but the direction of velocity changes at every point.
This change in direction means there is an acceleration, called centripetal acceleration, always directed towards the centre with constant magnitude v²/r. So the stone is accelerated even though its speed is constant.
Hence, The stone experiences a constant acceleration directed towards the centre of the circle.
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