heldanay heldanay

08-04-2021
Physics

contestada

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

Respuesta :

morganice8 morganice8

08-04-2021

May be b I’m not for sure tho

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