Physics, 12.02.2020 18:58, hjlhdjfhjh
Mary is a 520 N actress who is playing a flying butterfly. She is attached to a pulley system that hoists her into the air. The stagehand pulls with 80 N of force.
A. What is the mechanical advantage of this pulley system?
B. If Mary was lifted 7 meters above the stage, how far does the stagehand have to pull the rope?
Answers: 3
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Mary is a 520 N actress who is playing a flying butterfly. She is attached to a pulley system that h...
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