Asked by Mohanad
calculate the work done on a 1550kg elevator car by its cable to lift it 40 m at constant speed assuming friction average 125 n
Answers
Answered by
Damon
weight = 1550 * 9.81
so force up = 1550*9.81 + 125
work = force up * 40 meters
so force up = 1550*9.81 + 125
work = force up * 40 meters
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