We use pliers to crack a nut. The nut is located 1 cm from the pivot of the pliers. The handles of the pliers are squeezed together with an average force of 7 N, bringing the handles together by 2 cm. The jaws of the pliers converge by 0.8 cm when the nut is cracked. How much work do we do when cracking the nut? The force of the jaws used to crack the nut is how many times the force of the arms applied on the handles?
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