JEE Main 2021 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 16 March 2021, Shift 2, Physics Q24

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

A force

\vec{F}=4\hat{i}+3\hat{j}+4\hat{k}

is applied on an intersection point of

x=2

plane and

x

-axis. The magnitude of torque of this force about a point (2, 3, 4) is ________. (Round off to the Nearest Integer)

Official answer

NTA final key.

Chapter: System of Particles and Rotational Motion
Topic: Torque and Equilibrium
Idea tested: Torque Calculation

Same idea in other shifts

Asked 3× in all

9 Apr 2024, Shift 1 · Q52A string is wrapped around the rim of a wheel of moment of inertia $0.40\ \mathrm{kgm^2}$ and radius $10$ cm. The wheel is free to rotate…EasyNumerical value
13 Apr 2023, Shift 2 · Q52A light rope is wound around a hollow cylinder of mass 5 kg and radius 70 cm. The rope is pulled with a force of 52.5 N. The angular…MediumNumerical value

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 42 of the 174 JEE Main shifts held from 2017 to 2026.