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JEE Main Physics Class 11 Laws Of Motion Part 1 Questions

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Question : 30

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An elevator in a building can carry a maximum of 10 persons, with the average mass of each person being 68 kg. The mass of the elevator itself is 920 kg and it moves with a constant speed of 3 m/s. The frictional force opposing the motion is 6000 N. If the elevator is moving up with its full capacity, the power delivered by the motor to the elevator (g =10 m/s‌2 ) must be at least:

[7 Jan. 2020 II]

56300 W
62360 W
48000 W
66000 W

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