Physics, 25.11.2021 14:00 kukisbae

2. A man pulls on a rope that goes over a pulley above and lifts a bucket weighing 50N upward at constant speed. There is friction in the pulley. After lifting the bucket a distance of 27m, he has done 1650 j of work. What is the average force of friction acting

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2. A man pulls on a rope that goes over a pulley above and lifts a bucket weighing 50N upward at con...