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Work-Energy Theorem for JEE: 18 solved questions

Real JEE paper questions on work-energy theorem, part of work, energy and power. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2004 to 2026. No sign-in needed to read them.

What this topic asks

• Applying the work-energy theorem — 11 questions
• Work against resistance — 7 questions

All 18 questions with solutions

• A spherical ball of mass 2 kg falls from a height of 10 m and is brought to rest after penetrating 10 cm into… JEE Main 2nd April 2nd Shift 2026
• The rain drop of mass 1 g, starts with zero velocity from a height of 1 km. It hits the ground with a speed o… JEE Main 6th April 1st Shift 2026
• A bullet of mass 50 g is fired with a speed 100 m/s on a plywood and emerges with 40 m/s. The percentage loss… JEE Main 6th April 1st Shift 2024
• The bob of a pendulum was released from a horizontal position. The length of the pendulum is 10 m. If it diss… JEE Main 29th Jan 2nd Shift 2024
• Given below are two statements: Statement I: A truck and a car moving with same kinetic energy are brought to… JEE Main 12th April 1st Shift 2023
• A bullet of mass 200 g having initial kinetic energy 90 J is shot inside a long swimming pool as shown in the… JEE Main 28th July 2nd Shift 2022
• A body of mass 'm' dropped from a height 'h' reaches the ground with a speed of 0.8√gh. The value of work don… JEE Main 1st Sept 2nd Shift 2021
• A boy is rolling a 0.5 kg ball on the frictionless floor with the speed of 20 m s⁻¹. The ball gets deflected… JEE Main 17th March 1st Shift 2021
• A body of mass m=10⁻² kg is moving in a medium and experiences a frictional force F=-kv². Its initial speed i… JEE Main 2017
• At time t=0 s a particle starts moving along the x-axis. If its kinetic energy increases uniformly with time… AIEEE Re-exam 2011
• A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic en… AIEEE 2004
• A particle of mass 10 g moves in a straight line with retardation 2x, where x is the displacement in SI units… JEE Main 6th April 1st Shift 2023
• A body is dropped on ground from a height 'h₁' and after hitting the ground, it rebounds to a height 'h₂'. If… JEE Main 6th April 2nd Shift 2023
• A body of mass 5 kg is moving with a momentum of 10 kg m s⁻¹. Now a force of 2 N acts on the body in the dire… JEE Main 8th April 2nd Shift 2023
• A car accelerates from rest to u m/s. The energy spent in this process is E J. The energy required to acceler… JEE Main 13th April 2nd Shift 2023
• A spherical body of mass 2 kg starting from rest acquires a kinetic energy of 10000 J at the end of 5^th seco… JEE Main 24th Jan 1st Shift 2023
• A lift of mass M=500 kg is descending with speed of 2 m s⁻¹. Its supporting cable begins to slip allowing it… JEE Main 31st Jan 1st Shift 2023
• A particle (m=1 kg) slides down a frictionless track (AOC) starting from rest at a point A (height 2 m). Afte… JEE Main 7th Jan 1st Shift 2020