Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
A pulley system has an efficiency of 87.5 percent. how much of the rope must be pulled in if a force of 648 n is needed to lift a 150 kg desk 2.46 m? (disregard friction.)
A pulley system has an efficiency of 87.5 percent. how much of the rope must be pulled in if a force of 648 n is needed to lift a 150 kg desk 2.46 m? (disregard friction.)