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Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 N weight using a single fixed pulley? A. 21 N B. 61 N C. 121 N D. 241 N
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Assuming weightless pulleys and 100% efficiency, what is the minimum input force required to lift a 120 N weight using a single fixed pulley?

A. 21 N
B. 61 N
C. 121 N
D. 241 N

User AlexVogel
by
6.8k points

1 Answer

5 votes
May be b I’m not for sure tho
User Charlie OConor
by
7.8k points
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