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A weightlifter lifts a weight off the ground and holds it up - (a) work is done in lifting as well as holding the

A weightlifter lifts a weight off the ground and holds it up - (a) work is done in lifting as well as holding the weight. (b) no work is done in both lifting and holding the weight (c) work is done in lifting the weight but no work is required to done in holding it up. (d) no work is done in lifting the weight but work is required to be done in holding it up. 14

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