JEE Main 2021 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 26 February 2021, Shift 1, Physics Q23

Question 23 of 90 in this shift, Physics question 23 of 30, Section B.

A person standing on a spring balance inside a stationary lift measures 60 kg. The weight of that person if the lift descends with uniform downward acceleration of 1.8

\mathrm{m/s^2}

will be __________ N.

[\mathrm{g}=10\ \mathrm{m/s^2}]

Official answer

492

NTA final key.

Chapter: Laws of Motion
Topic: Newton's Laws of Motion
Idea tested: Apparent Weight in Accelerating Frames

Same idea in other shifts

Asked 4× in all

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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.