Physics, 18.03.2021 17:40, brylove603

A young man works at the local gym. To block the intense aftemoon sun, he uses a pulley to lower a 490-N screen over the windows. If he uses only 65 N of force to operate the pulley, what is the mechanical advantage of the pulley?

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A young man works at the local gym. To block the intense aftemoon sun, he uses a pulley to lower a 4...