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The basic idea is that you can remove most of the water in the clothes by spinning the drum that holds them really fast for quite a while. (Newer hi-tech dryers do a much better job of this than old fashioned ones, by the way.)

As a couple of people already pointed out, a centripetal force is one pointing *toward* the axis of the rotating drum. A centripetal force from the inner drum's surface acts on the clothing to keep it moving in a circle as the drum spins.

But the water in the fabric is only held to the fabric by a weak attraction. This force isn't strong enough to hold the water in the same circular path as the clothes when the drum spins fast, and the water flies out through the holes in the drum and gets pumped out to the drain.

The spin cycle, the clothes will not fit through the holes in the washing machine's drum but the water will. This means that while the washing machine is able to exert a centripetal force on the clothes, the water absorbed by the clothes does not have the same amount of force exerted on it so it moves away from the axis of rotation (and out of the clothes). The force of the spinning action slings the water from the clothing into the outer basket and the pump removes the water from the tub.

The washing has centripetal force acting on it because it is constantly changing direction, which equates to a change in velocity as velocity is a vector, therefore it's accelerating towards the center. (F=ma and F=(mv^2)/r are relevant formula's for force.)

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Q: Explain how spin dryer of the machine is able to dry clothes?
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Why does water escapes from the wet clothingin a spinningclothes dryer?

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