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Saturday, 10 October

JEE Main Physics · Work, Energy and Power

Work and Kinetic Energy in JEE Main

Work and Kinetic Energy (Physics, Work, Energy and Power) came 31 times in 26 of the 42 JEE Main shifts Lumi analysed, across 15 distinct ideas. 18 of them came in 2024–26; it was last asked in 2026.

Questions
31
in 26 shifts
Ideas asked
15
8 asked more than once
Numerical answer
11
35% of its questions
Pattern
Asked most years
last asked 2026
Questions each year
0481’170’203’215’224’237’244’257’26

In the shifts Lumi analysed for each year.

Difficulty and format
Easy 21Medium 10Hard 0

Format

  • Single correct19 Q
  • Numerical value11 Q
  • Diagram based1 Q
Ideas inside the topic
15 ideas
Where it sits

Part of Work, Energy and Power, which had 44 questions in all. Work and Kinetic Energy accounts for 70% of them. In Lumi's JEE taxonomy it belongs to Mechanics.

Every question

All 31 Work and Kinetic Energy questions

Newest first, each with its options and official answer.

  1. 2 Apr 2026, Shift 2 · Q36A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into sand. The average force…EasySingle correct
  2. 4 Apr 2026, Shift 1 · Q46A 11 kg block subjected to two simultaneous forces (2i^+3j^+4k^)\left(2\hat{i}+3\hat{j}+4\hat{k}\right) N and…EasyNumerical value
  3. 5 Apr 2026, Shift 2 · Q28A mass of 1 kg is kept on a inclined plane with 30∘30^\circ inclination with respect to horizontal plane and it is at rest initially. Then…MediumSingle correct
  4. 6 Apr 2026, Shift 1 · Q28The rain drop of mass 1 g, starts with zero velocity from a height of 1 km. It hits the ground with a speed of 5 m/s. The work done by the…EasySingle correct
  5. 6 Apr 2026, Shift 1 · Q32A smooth inclined plane ends in a vertical circular loop, as shown in the figure. A small body is released from height hh as shown. If…MediumSingle correctHas a figure
  6. 6 Apr 2026, Shift 2 · Q29A body of mass 1 kg moves along a straight line with a velocity v=2x2v=2x^2. The work done by the body during displacement from x=0x=0 to 5 m…EasySingle correct
  7. 6 Apr 2026, Shift 2 · Q44The velocity at which 6 kg mass (shown in figure) strikes the ground when it is released from a height of 6 m above the ground is…MediumDiagram basedHas a figure
  8. 3 Apr 2025, Shift 1 · Q28A particle is released from height S above the surface of the earth. At certain height its kinetic energy is three times its potential…EasySingle correct
  9. 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
  10. 7 Apr 2025, Shift 2 · Q30Which one of the following forces cannot be expressed in terms of potential energy ?EasySingle correct
  11. 8 Apr 2025, Shift 2 · Q29A block of mass 2 kg is attached to one end of a massless spring whose other end is fixed at a wall. The spring-mass system moves on a…MediumSingle correct
  12. 6 Apr 2024, Shift 2 · Q36When kinetic energy of a body becomes 36 times of its original value, the percentage increase in the momentum of the body will be :EasySingle correct
  13. 8 Apr 2024, Shift 1 · Q35Three bodies A, B and C have equal kinetic energies and their masses are 400 g, 1.2 kg and 1.6 kg respectively. The ratio of their linear…EasySingle correct
  14. 9 Apr 2024, Shift 1 · Q35A particle of mass m moves on a straight line with its velocity increasing with distance according to the equation v=αxv=\alpha\sqrt{x},…EasySingle correct
  15. 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
  16. 29 Jan 2024, Shift 1 · Q34A block of mass 100 kg slides over a distance of 10 m on a horizontal surface. If the co-efficient of friction between the surfaces is…EasySingle correct
  17. 29 Jan 2024, Shift 1 · Q35The potential energy function (in J) of a particle in a region of space is given as U=(2x2+3y3+2z)U=(2x^2+3y^3+2z). Here xx, yy and zz are in…EasySingle correct
  18. 30 Jan 2024, Shift 2 · Q35A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 60∘60^\circ by a force of 10 N10\ N parallel to the…EasySingle correctHas a figure
  19. 6 Apr 2023, Shift 1 · Q59A particle of mass 10 g moves in a straight line with retardation 2x2x, where xx is the displacement in SI units. Its loss of kinetic…MediumNumerical value
  20. 8 Apr 2023, Shift 2 · Q54A body of mass 5 kg is moving with a momentum of 10 kg ms−1^{-1}. Now a force of 2 N acts on the body in the direction of its motion for 5…EasyNumerical value
  21. 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
  22. 13 Apr 2023, Shift 2 · Q51A car accelerates from rest to u m/s. The energy spent in this process is E J. The energy required to accelerate the car from u m/s to 2u…EasyNumerical value
  23. 25 Jul 2022, Shift 1 · Q34A body of mass 0.50.5 kg travels on straight line path with velocity v=(3x2+4)v=(3x^2+4) m/s. The net workdone by the force during its…EasySingle correct
  24. 28 Jul 2022, Shift 1 · Q59A block of mass 'm' (as shown in figure) moving with kinetic energy E compresses a spring through a distance 25 cm when, its speed is…MediumNumerical valueHas a figure
  25. 24 Jun 2022, Shift 1 · Q39A particle experiences a variable force F⃗=(4xi^+3y2j^)\vec{F}=(4x\hat{i}+3y^2\hat{j}) in a horizontal xx-yy plane. Assume distance in meters and…MediumSingle correct
  26. 24 Jun 2022, Shift 1 · Q58A ball of mass 100 g is dropped from a height h=10h=10 cm on a platform fixed at the top of a vertical spring (as shown in figure). The ball…MediumNumerical valueHas a figure
  27. 29 Jun 2022, Shift 1 · Q38A particle of mass 500 gm is moving in a straight line with velocity v=bx5/2v = bx^{5/2}. The work done by the net force during its…MediumSingle correct
  28. 25 Jul 2021, Shift 1 · Q23A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 50 cm long. The speed of bob, when the length makes an angle…EasyNumerical value
  29. 18 Mar 2021, Shift 1 · Q24As shown in the figure, a particle of mass 10 kg is placed at a point A. When the particle is slightly displaced to its right, it starts…EasyNumerical valueHas a figure
  30. 18 Mar 2021, Shift 1 · Q30A bullet of mass 0.1 kg is fired on a wooden block to pierce through it, but it stops after moving a distance of 50 cm into it. If the…EasyNumerical value
  31. 2 Apr 2017 (offline) · Q4A time dependent force F=6tF=6t acts on a particle of mass 1 kg. If the particle starts from rest, the work done by the force during the…EasySingle correct