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An effort of 240 N overcome a useful load 1000 N when applied to a block and system of pulleys; such that the weight movable block and friction is 200 N. What is the efficiency of the system? |
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Answer» An effort of 240 N overcome a useful load 1000 N when applied to a block and system of pulleys; such that the weight movable block and friction is 200 N. What is the efficiency of the system? |
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