Question
(a) Calculate the work done on a 1500-kg elevator car by its cable to lift it 40.0 m at constant speed, assuming friction averages 100
(a) Calculate the work done on a 1500-kg elevator car by its cable to lift it 40.0 m at constant speed, assuming friction averages 100 N.
(b) What is the work done on the lift by the gravitational force in this process?
(c) What is the total work done on the lift?
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Physics
Authors: James S. Walker
5th edition
978-0133498493, 9780321909107, 133498492, 0321909100, 978-0321976444
