JEE Main Work, Energy and Power questions with solutions
Work-energy theorem, conservative forces, springs, power and collisions. 11 questions from our 2016–2024 JEE Main pattern papers, from the Class 11 Physics syllabus. Each has the answer and a full solution.
Also practise: Work, Energy and Power for JEE Advanced · Work, Energy and Power for NDA
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- A car of mass 1000 kg has an engine delivering a constant power of 40 kW on a level road. The resistive force is proportional to the speed, and the…
- A battery of internal resistance r delivers the same power to an external resistance of 2 Ω as to one of 8 Ω. The maximum power the battery can…
- A ball is dropped from a height of 5 m onto a horizontal floor and the coefficient of restitution for every impact is 0.6. Taking g=10 m s^-2, the…
Other Physics topics
Atoms, Nuclei and Dual Nature of Radiation 29Calorimetry and Heat Transfer 13Capacitors 10Current Electricity 13Electromagnetic Induction and Alternating Current 16Electrostatics 15Fluid Mechanics, Elasticity and Surface Tension 15Gravitation 10Kinematics and Laws of Motion 27Magnetic Effects of Current 24Ray and Wave Optics 16Rotational Motion 16Semiconductors and Communication 11Simple Harmonic Motion 11Thermodynamics and Kinetic Theory of Gases 19Units and Measurements 10Waves and Sound 23