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The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces Revision for JEE

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Revise The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces by covering every subtopic once, drilling formulas, then solving 15+ timed MCQs with full solutions.

Use this The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces revision checklist before mocks and the final exam. Reinforce concepts with 15+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

  1. 1.Core idea: The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces
  2. 2.Relates to other subtopics in Work, Energy and Power
  3. 3.Work by variable force, work-energy theorem
  4. 4.Conservative vs non-conservative forces
  5. 5.Master The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces definitions and standard results
  6. 6.Solve 20 timed MCQs for The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces

Syllabus context

Part of Work, Energy and Power in JEE Main Physics.

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Q1PhysicsUnit 4: Work, Energy and Power
A wire suspended vertically from one of its ends is stretched by attaching a weight of 200N200 \mathrm{N} to the lower end. The weight stretches the wire by 1 mm. Then the energy stored in the wire is
Q2PhysicsUnit 4: Work, Energy and Power
The potential energy of a system increases if work is done:
Q3PhysicsUnit 4: Work, Energy and Power
A spring with spring constants K when compressed by 1cm1 \mathrm{cm}, the potential energy stored is U.If it is further compressed by 3cm,3 \mathrm{cm}, then its final potential energy is
Q4PhysicsUnit 4: Work, Energy and Power
Two springs of force constants 1000N/m\mathbf{1 0 0 0} N / \boldsymbol{m} and 2000N/m\mathbf{2 0 0 0} \boldsymbol{N} / \boldsymbol{m} are stretched by same force. The ratio of their respective potential energies is
Q5PhysicsUnit 4: Work, Energy and Power
Assertion Graph between potential energy of a spring versus the extension or compression of the spring is a straight line Reason Potential energy of a stretched or compressed spring is proportional to square of extension or compression
Q6PhysicsUnit 4: Work, Energy and Power
Which quantity of a two particles system depend only on the separation between the two particles?
Q7PhysicsUnit 4: Work, Energy and Power
A spring is kept compressed by a toy car of mass 150g.150 g . On releasing the car it moves with a speed of 0.2ms−1.0.2 m s^{-1} . So, the elastic potential energy of the spring is
Q8PhysicsUnit 4: Work, Energy and Power
A car of mass 1000kg1000 \mathrm{kg} moving with a speed 18kmh−118 k m h^{-1} on a smooth road and colliding with a horizontally mounted spring of spring constnat 6.25×6.25 \times 103Nm−1.10^{3} N m^{-1} . The maximum compression of the spring is

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How should I revise The potential energy of a spring, conservation of mechanical energy, conservative and non-conservative forces before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

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