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Physics - Work Power Energy

Practise 181 JEE Main previous year questions on Work Power Energy, compiled from papers spanning 2002 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty JEE Main tests.

Work Power Energy has been asked in 22 of the 25 years of JEE Main papers analysed (2002–2026), with 181 questions in all. 38% of them were easy, 44% moderate and 18% tough. Most of its questions came from 2023, with 26 questions that year. In the last three years (2024–2026) it had 44 questions across 49 papers, about 0.9 per paper.

The chapter's 4 topics are not weighted equally: Energy (108 questions, 60%), Work done (32 questions, 18%), and Power (25 questions, 14%) have been asked the most. Energy has also led over the last five years, with 58 questions. Energy has produced the most tough questions (23).

  1. 1The rain drop of mass g, starts with zero velocity from a height of km. It hits the ground with a speed of m/s. The work done by the unknown06 Apr, 2026 (M)Work done
  2. 2A smooth inclined plane ends in a vertical circular loop, as shown in the figure. A small body is released from height as shown. If the body06 Apr, 2026 (M)Energy
  3. 3A body of mass kg moves along a straight line with a velocity . The work done by the body during displacement from to m is __________ J.06 Apr, 2026 (E)Energy
  4. 4The velocity at which kg mass (shown in figure) strikes the ground when it is released from a height of m above the ground is __________ m/s06 Apr, 2026 (E)Energy
  5. 5A kg block subjected to two simultaneous forces N and N is moved a distance of m along direction. The work done in this process is _____ J.04 Apr, 2026 (M)Work done
  6. 6A body of mass kg begins to move under the influence of time dependent force N, where and are unit vectors along and -axis respectively. The04 Apr, 2026 (M)Power
  7. 7A spherical ball of mass kg falls from a height of m and is brought to rest after penetrating cm into sand. The average force exerted by san02 Apr, 2026 (E)Energy
  8. 8In case of vertical circular motion of a particle by a thread of length if the tension in the thread is zero at an angle shown in figure, th24 Jan, 2026 (E)Circular motion
  9. 9A small bob of mass is attached to a massless rigid rod of length 1 m pivoted at point and kept at an angle of with vertical as shown in fig23 Jan, 2026 (M)Energy
  10. 10A bead sliding on a frictionless semi-circular string and it is at point at and at this instant the horizontal component of its velocity is 23 Jan, 2026 (E)Energy
  11. 11Given below are two statements : Statement I : An object moves from position to position under a conservative force field . The work done by22 Jan, 2026 (E)Energy
  12. 12Potential energy ( ) versus distance ( ) is given by the graph. Rank various regions as per the magnitudes of the force (F) acting on a part21 Jan, 2026 (M)Energy
  13. 13A body of mass 2 kg is moving along -direction such that its displacement as function of time is given by , where and . The work done on the21 Jan, 2026 (E)Energy
  14. 14A 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 frict08 Apr, 2025 (E)Energy
  15. 15An object of mass 1000 g experiences a time dependent force . The power generated by the force at time is :07 Apr, 2025 (M)Power
  16. 16Which one of the following forces cannot be expressed in terms of potential energy?07 Apr, 2025 (E)Energy
  17. 17A block of mass 25 kg is pulled along a horizontal surface by a force at an angle with the horizontal. The friction coefficient between the 04 Apr, 2025 (E)Work done
  18. 18A particle is released from height above the surface of the earth. At certain height its kinetic energy is three times its potential energy.03 Apr, 2025 (M)Energy
  19. 19A piston of mass is hung from a massless spring whose restoring force law goes as , where k is the spring constant of appropriate dimension.03 Apr, 2025 (M)Energy
  20. 20A block of mass 1 kg , moving along x with speed enters a rough region ranging from to . The retarding force acting on the block in this ran03 Apr, 2025 (E)Energy
  21. 21A body of mass ' \(m\) ' connected to a massless and unstretchable string goes in verticle circle of radius ' \(R\) 'under gravity \(g\). Th29 Jan, 2025 (M)Circular motion
  22. 22A sand dropper drops sand of mass on a conveyer belt at a rate proportional to the square root of speed of the belt, i.e. . If P is the powe29 Jan, 2025 (E)Power
  23. 23Given below are two statements: one is labelled as Assertion and the other is labelled as Reason Assertion A: In a central force field, the 28 Jan, 2025 (M)Energy
  24. 24A bead of mass ' ' slides without friction on the wall of a vertical circular hoop of radius ' ' as shown in figure. The bead moves under th28 Jan, 2025 (M)Energy
  25. 25A body of mass 4 kg is placed on a plane at a point P having coordinate . Under the action of force , it moves to a new point Q having coord28 Jan, 2025 (E)Power
  26. 26A force acts on an object in the x -direction. The work done by the force is 5 J when the object is displaced by 1 m . If the constant then 24 Jan, 2025 (M)Work done
  27. 27A force acts on a particle in a plane . The work done by this force during a displacement from to is Joule (round off to the nearest integer23 Jan, 2025 (M)Work done
  28. 28A ball having kinetic energy KE, is projected at an angle of from the horizontal. What will be the kinetic energy of ball at the highest poi23 Jan, 2025 (E)Energy
  29. 29A bob of mass is suspended at a point by a light string of length and left to perform vertical motion (circular) as shown in figure. Initial22 Jan, 2025 (M)Circular motion
  30. 30A body of mass 100 g is moving in circular path of radius 2 m on vertical plane as shown in figure. The velocity of the body at point is . T22 Jan, 2025 (E)Circular motion
  31. 31A force is applied on a particle and it undergoes a displacement . What will be the value of , if work done on the particle is zero.22 Jan, 2025 (E)Work done
  32. 32A particle of mass moves on a straight line with its velocity increasing with distance according to the equation , where is a constant. The 09 Apr, 2024 (M)Work done
  33. 33A force displaces a body from to . Work done by this force is ________ .09 Apr, 2024 (E)Work done
  34. 34A stationary particle breaks into two parts of masses and which move with velocities and respectively. The ratio of their kinetic energies i08 Apr, 2024 (M)Energy
  35. 35A circular table is rotating with an angular velocity of about its axis (see figure). There is a smooth groove along a radial direction on t08 Apr, 2024 (E)Circular motion
  36. 36A bullet of mass is fired with a speed on a plywood and emerges with . The percentage loss of kinetic energy is :06 Apr, 2024 (M)Energy
  37. 37A body of mass is lifted to a height of from the ground in the two different ways as shown in the figures. The ratio of work done against th05 Apr, 2024 (M)Energy
  38. 38A body is moving unidirectionally under the influence of a constant power source. Its displacement in time is proportional to :05 Apr, 2024 (E)Power
  39. 39If a rubber ball falls from a height and rebounds upto the height of . The percentage loss of total energy of the initial system as well as 04 Apr, 2024 (M)Energy
  40. 40A body of slides from rest along the curve of vertical circle from point to in friction less path. The velocity of the body at is:04 Apr, 2024 (E)Energy
  41. 41An artillery piece of mass M 1 fires a shell of mass M 2 horizontally. Instantaneously after the firing, the ratio of kinetic energy of the 31 Jan, 2024 (M)Energy
  42. 42A solid circular disc of mass 50 kg rolls along a horizontal floor so that its center of mass has a speed of 0 . 4 m s - 1 . The absolute va31 Jan, 2024 (M)Energy
  43. 43A body of mass 2 kg begins to move under the action of a time dependent force given by F → = 6 t i ^ + 6 t 2 j ^ N . The power developed by 31 Jan, 2024 (E)Power
  44. 44A particle is placed at the point A of a frictionless track ABC as shown in figure. It is gently pushed towards right. The speed of the part30 Jan, 2024 (M)Energy
  45. 45A block of mass 1 kg is pushed up a surface inclined to horizontal at an angle of 60 ° by a force of 10 N parallel to the inclined surface a30 Jan, 2024 (E)Work done
  46. 46A 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 0 . 429 Jan, 2024 (M)Work done
  47. 47The potential energy function (in J ) of a particle in a region of space is given as U = 2 x 2 + 3 y 3 + 2 z . Here x , y and z are in meter29 Jan, 2024 (M)Energy
  48. 48The bob of a pendulum was released from a horizontal position. The length of the pendulum is 10 m . If it dissipates 10 % of its initial ene29 Jan, 2024 (E)Energy
  49. 49A bob of mass m is suspended by a light string of length L . It is imparted a minimum horizontal velocity at the lowest point A such that it29 Jan, 2024 (E)Energy
  50. 50Two bodies of mass 4 g and 25 g are moving with equal kinetic energies. The ratio of magnitude of their linear momentum is :27 Jan, 2024 (M)Energy

Frequently Asked Questions

1.How many questions are available for Work Power Energy?

This chapter includes 181 questions compiled from JEE Main papers spanning 2002 to 2026.

2.Are these questions only from JEE Main, or from other exams too?

These are JEE Main questions specifically for the Work Power Energy chapter. Questions from other exams like NTA Abhyas (JEE Main) or JEE Advanced are organised separately under their respective exam sections.

3.Is Work Power Energy an important chapter for JEE Main Physics?

Work Power Energy has appeared in 22 of the 25 years of JEE Main papers covered here, with 181 questions across 137 papers - about one per paper it appears in.

4.What is the difficulty level of Work Power Energy questions in JEE Main?

Of the 181 questions analysed for this chapter, 38% are easy, 44% moderate and 18% tough. 2023 had the most, with 26 questions.

5.Which topics in Work Power Energy should I focus on?

These topics have carried the most weightage in Work Power Energy:

  • Energy - 108 questions (60%)
  • Work done - 32 questions (18%)
  • Power - 25 questions (14%)
  • Energy has produced the most tough questions (23).
6.Is Work Power Energy's weightage in JEE Main going up or down?

Across all 137 papers analysed, Work Power Energy has averaged about 1.3 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.9 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.