paigejosie4706 paigejosie4706

15-07-2021
Physics

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A frictionless pulley used to lift 8000N of concrete. What is the minimum effort required to raise the block

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pleasantpearl pleasantpearl

17-07-2021

Answer: 8000N

Explanation: since it is frictionless that means it has 100% efficiency therefore the mechanical advantage is 1 meaning the load equals to the effort

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