Physics, 17.04.2020 19:05 rylee87

As you work with a block and tackle, you seem to be working hard, so you decided to investigate. You know that a force of 2000 N is needed to lift the object. You measure your exerting force of 400 N as you pull the rope down 6 m to lift the weight a distance of 1 m. What is the efficiency of the block and tackle?

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