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Friday, 9 October

JEE Main Physics · Work, Energy and Power

Work by Variable Force

Work by Variable Force (Work, Energy and Power) was asked 3 times in 3 JEE Main shifts, 2023–2025, out of the 42 shifts Lumi analysed. 2 of the 3 had a numerical answer.

Times asked
3
in 3 shifts
Years
2023–2025
Usual format
Numerical value
Calculation
Pattern
Comes in cycles
repeats across shifts

How it is asked

  • Work by position-dependent force
  • Final speed under position-dependent retarding force

Difficulty

Easy 2Medium 1Hard 0

Where it sits

Chapter: Work, Energy and Power. Topic: Work and Kinetic Energy, 31 questions over 15 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 3 Apr 2025, Shift 2 · Q31A block of mass 1 kg, moving along xx with speed vi=10v_i = 10 m/s enters a rough region ranging from x=0.1x = 0.1 m to x=1.9x = 1.9 m. The…MediumSingle correct
  2. 9 Apr 2024, Shift 2 · Q51A force (3x2+2x−5)(3x^2+2x-5) N displaces a body from x=2x=2 m to x=4x=4 m. Work done by this force is ___________ J.EasyNumerical value
  3. 11 Apr 2023, Shift 1 · Q59A force F⃗=(2+3x)i^\vec{F} = (2 + 3x)\hat{i} acts on a particle in the xx direction where F is in newton and xx is in meter. The work done by…EasyNumerical value