Physics, 01.05.2021 01:00, ritahastie2896

A force of 120 newtons (N) was applied to a pulley to lift an object a height of 1 meter (m). If 100 joules (J) of work was done on the weight, how much work was used to overcome the force of friction in the pulley?

A. 1.2 joules

B. 20 joules

C. 120 joules

D. 220 joules

Answers: 3

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A force of 120 newtons (N) was applied to a pulley to lift an object a height of 1 meter (m). If 100...