Physics

4 May, 04:26

In the pulley system shown below, a 360 N weight is slowly lifted. Assuming the system is 100% efficient and each pulley is weightless, what is the minimum input force needed to lift the weight? Rope Pile L = 16.74m

A. 61 N

B. 121 N

C. 181 N

D. 361 N

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