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Physics, 22.08.2019 17:10 mrlepreqon8897
The mechanical advantage of any machine is: a) the efficiency of the machine b) the work done by the machine c) the ratio of the work done by the machine to the work expended on it d) the ratio of the force exerted by the machine to the force applied to e) the ratio of the force applied to the machine to the force exerted by it it
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