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A pulley system has 5 pulleys in all and is 90% efficient. If the effort required to lift a load is 1000 N, find the resistance due to the movable parts of machine and friction. |
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Answer» A pulley system has 5 pulleys in all and is 90% efficient. If the effort required to lift a load is 1000 N, find the resistance due to the movable parts of machine and friction. |
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