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(a) Calculate the work done (in J) on a1350kg elevator car by its cable to lift it42.5m at constant speed, assuming friction averages120N. 567375 J

(a) Calculate the work done (in J) on a1350kg elevator car by its cable to lift it42.5m at constant speed, assuming friction averages120N.

567375 J

(b)What is the work done (in J) on the lift by the gravitational force in this process?

(c)What is the total work done (in J) on the lift?

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