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Imagine a small ball on the end of a string, which is attached to the end of a pencil, and you’re holding the other end of the pencil.
When you swing the ball around the pencil, if you want to swing the ball as fast as you possibly can, then your fingers need to make a very small, tightly centred, rotational movement, constantly feeling for and pulling against the weight of the ball.
You use centripetal force to accelerate the ball, pulling it towards the centre, not linear force pushing on the ball.
Though over simplified, this is a great analogy for the golf swing, the ball being the club head, and although the golf club isn’t a string, it behaves much as the string does when the ball is rotating fast.
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