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Saturday, 10 October

JEE Main Physics · System of Particles and Rotational Motion

Torque Calculation

Torque Calculation (System of Particles and Rotational Motion) was asked 3 times in 3 JEE Main shifts, 2021–2024, out of the 42 shifts Lumi analysed. 3 of the 3 had a numerical answer.

Times asked
3
in 3 shifts
Years
2021–2024
Usual format
Numerical value
Multi-step
Pattern
Comes in cycles
repeats across shifts

How it is asked

  • Torque magnitude about a point
  • Angular acceleration from rope force

Difficulty

Easy 2Medium 1Hard 0

Where it sits

Chapter: System of Particles and Rotational Motion. Topic: Torque and Equilibrium, 13 questions over 8 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 9 Apr 2024, Shift 1 · Q52A string is wrapped around the rim of a wheel of moment of inertia 0.40 kgm20.40\ \mathrm{kgm^2} and radius 1010 cm. The wheel is free to rotate…EasyNumerical value
  2. 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
  3. 16 Mar 2021, Shift 2 · Q24A force F⃗=4i^+3j^+4k^\vec{F}=4\hat{i}+3\hat{j}+4\hat{k} is applied on an intersection point of x=2x=2 plane and xx-axis. The magnitude of torque of…EasyNumerical value