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A 1300 kg elevator is lifted at a constant speed of 1.3 m/s through a height of 22 m. How much work is done (a) by the tension in the elevator cable and (b) by gravity?
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A 1300 kg elevator is lifted at a constant speed of 1.3 m/s through a height of 22 m. How much work is done (a) by the tension in the elevator cable and (b) by gravity?

User Antz
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Wc= mgd =280 kj
Wg = mgd = -280 kJ
User Ivo Tsochev
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