JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 10 April 2023, Shift 2, Physics Q54

Question 54 of 90 in this shift, Physics question 24 of 30, Section B.

If the maximum load carried by an elevator is 1400 kg (600 kg - Passengers + 800 kg - elevator), which is moving up with a uniform speed of 3 m s

^{-1}

and the frictional force acting on it is 2000 N, then the maximum power used by the motor is __________ kW (g = 10 m/s

^2

)

Official answer

NTA final key.

Chapter: Work, Energy and Power
Topic: Power
Idea tested: Instantaneous Power

Same idea in other shifts

Asked 3× in all

11 Apr 2023, Shift 2 · Q54A block of mass $5\ \mathrm{kg}$ starting from rest pulled up on a smooth incline plane making an angle of $30^\circ$ with horizontal with…MediumNumerical value
3 Aug 2021, Shift 2 · Q20A block of mass 4.0 kg is pulled up on a smooth incline of angle $30^\circ$ with the horizontal. If the block moves with an acceleration…MediumSingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.