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?​
Answers: 3
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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...
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