Physics - Work Power Energy
Practise 26 COMEDK previous year questions on Work Power Energy, compiled from papers spanning 2012 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 COMEDK tests.
Work Power Energy has been asked in 11 of the 15 years of COMEDK papers analysed (2012–2026), with 26 questions in all. 50% of them were easy, 46% moderate and 4% tough. Most of its questions came from 2023, with 7 questions that year. In the last three years (2024–2026) it had 11 questions across 8 papers, about 1.4 per paper.
The chapter's 4 topics are not weighted equally: Energy (14 questions, 54%), Work done (6 questions, 23%), and Power (4 questions, 15%) have been asked the most. Energy has also led over the last five years, with 13 questions. Energy has produced the most tough questions (1).
- 1A ball falls under gravity from a height of 10m with an initial downward velocity . It loses three-fifths (or 60%) of its energy in collisio09 May, 2026 (S1)Energy
- 2A motor cyclist starts from the top of an inclined plane of height h to go around a globe of death trap of radius r. The ratio of minimum he09 May, 2026 (S1)Circular motion
- 3A block of mass 1.5 kg moves along the floor of a hall with a speed of . It strikes an uncompressed spring and compresses it till the block 09 May, 2026 (S2)Energy
- 4A body of mass 0.5 kg is dropped from a height of 2 m on the top of the spring of length 0.6 m , fixed vertically on the horizontal table. I25 May, 2025 (Shift)Energy
- 5A vertical spring of spring constant is fixed on a table. A ball of mass 0.5 kg at a height 2 m above the free upper end of the spring falls10 May, 2025 (S1)Work done
- 6A wind mill converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. The electrical power output P is 10 May, 2025 (S2)Power
- 7An object of mass moves due to an applied constant force such that its position along X axis is given by where is in meters and in seconds. 2024 (Afternoon Shift)Energy
- 8An electric motor raises a mass of , a distance of in time of . Calculate the power to an appropriate significant figures. (take )2024 (Afternoon Shift)Power
- 9A scooter moves with a speed of , on a straight road and is stopped by applying the brakes. Before stopping, the scooter travels . If the we2024 (Evening Shift)Energy
- 10When water falls from a height of at the rate of to operate a turbine the losses due to frictional force are of input energy. How much power2024 (Evening Shift)Energy
- 11The power of a gun which fires 120 bullet per minute with a velocity is : (given the mass of each bullet is )2024 (Morning Shift)Energy
- 12If reaction is and coefficient of friction is , what is work done against friction in moving a body by distance ?2023 (Evening Shift)Work done
- 13A particle is projected at an angle with horizontal having kinetic energy . The kinetic energy of the particle at highest point is.2023 (Memory Based)Energy
- 14In the figure, pendulum bob on left side is pulled a side to a height from its initial position. After it is released it collides with the r2023 (Memory Based)Energy
- 15A long spring, when stretched by a distance , has potential energy . On increasing the stretching to , the potential energy of the spring wi2023 (Memory Based)Energy
- 16A long spring, when stretched by a distance , has potential energy . On increasing the stretching to , the potential energy of the spring wi2023 (Morning Shift)Energy
- 17A particle is projected at an angle with horizontal having kinetic energy . The kinetic energy of the particle at highest point is.2023 (Morning Shift)Energy
- 18One end of the string of length is connected to a particle of mass and the other end is connected to a small peg on a smooth horizontal tabl2023 (Morning Shift)Circular motion
- 19A particle of mass is moving in a horizontal circle of radius under a centripetal force given by , where is a constant. Then2022Energy
- 20For motion under central forces, which quantity will be conserved ?2021Energy
- 21When a body moves in a circular path, no work is done by the force since2019Work done
- 22The relationship between the force and position of a body is as shown in the figure. The work done in displacing the body from to will be2017Work done
- 23A mass lying on a table is displaced in the horizontal direction through . The work done by the normal reaction will be2015Work done
- 24When a body moves in a circular path, no work is done by the force since2013Work done
- 25One coolie takes to raise a suitcase through a height of but the second coolie takes to raise the same suitcase to the same height. The powe2013Power
- 26If of work is done in by a water pump, then the power of the pump is2012Power
Frequently Asked Questions
1.How many questions are available for Work Power Energy?
This chapter includes 26 questions compiled from COMEDK papers spanning 2012 to 2026.
2.Are these questions only from COMEDK, or from other exams too?
These are COMEDK questions specifically for the Work Power Energy chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Work Power Energy an important chapter for COMEDK Physics?
Work Power Energy has appeared in 11 of the 15 years of COMEDK papers covered here, with 26 questions across 18 papers - about one per paper it appears in.
4.What is the difficulty level of Work Power Energy questions in COMEDK?
Of the 26 questions analysed for this chapter, 50% are easy, 46% moderate and 4% tough. 2023 had the most, with 7 questions.
5.Which topics in Work Power Energy should I focus on?
These topics have carried the most weightage in Work Power Energy:
- Energy - 14 questions (54%)
- Work done - 6 questions (23%)
- Power - 4 questions (15%)
- Energy has produced the most tough questions (1).
6.Is Work Power Energy's weightage in COMEDK going up or down?
Across all 18 papers analysed, Work Power Energy has averaged about 1.4 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.4 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.