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25 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m, then the load is lifted to 3 m , the efficiency of pulley system will be: |
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Answer» 25 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m, then the load is lifted to 3 m , the efficiency of pulley system will be: |
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