Physics · JEE

Online Practice: Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power for JEE

46+ syllabus-aligned questions available

Quick answer

Goodmarks provides free online JEE practice for Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power with 46+ MCQs, instant answer checking, and full solutions. Sign up to unlock the complete question bank and topic-wise filters.

Sharpen your physics preparation with interactive online practice for Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power. Goodmarks offers 46+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

Free sample questions

Attempt 8 free MCQs for Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power. Unlock 38+ more with Pro.

Unlock full bank
Q1PhysicsUnit 4: Work, Energy and Power
Which one of the following statement is false?
Q2PhysicsUnit 4: Work, Energy and Power
A body of mass 5 kg has momentum of 10kgm/sec.10 \mathrm{kg} \mathrm{m} / \mathrm{sec} . When a force of 0.2N0.2 \mathrm{N} is applied on it for 10 sec, the change in its kinetic energy is:
Q3PhysicsUnit 4: Work, Energy and Power
The graph between the resistive force acting on a body and the position of the body travelling in a straight line is shown in the figure. The mass of the body is 25kg25 \mathrm{kg} and initial velocity is 2 m/s.When the distance covered by the bodyi s4m,s 4 \mathrm{m}, its kinetic energy would be
Q4PhysicsUnit 4: Work, Energy and Power
A\mathbf{A} 3kg3 k g object has initial velocity (6i^(6 \hat{i}- 2j^)m/s.\mathbf{2} \hat{\boldsymbol{j}}) \boldsymbol{m} / \boldsymbol{s} . The total work done on the object if its velocity changes to (8i^+(8 \hat{i}+ 4j^)m/s4 \hat{j}) m / s is :
Q5PhysicsUnit 4: Work, Energy and Power
Potential energy is classified into which two energy?
Q6PhysicsUnit 4: Work, Energy and Power
Which of the following forms of energy is released or absorbed in most chemical reactions?
Q7PhysicsUnit 4: Work, Energy and Power
A boy throws a ball of mass 0.5kg0.5 \mathrm{kg} upwards with an initial speed of 14m/s14 \mathrm{m} / \mathrm{s} The ball reaches a maximum height of 8m. The amount of energy dissipated by air drag acting on the ball during the ascent is
Q8PhysicsUnit 4: Work, Energy and Power
A bullet is fired at a target with a velocity 80m/s80 \mathrm{m} / \mathrm{s} and penetrates 50cm50 \mathrm{cm} into it. If this bullet were fired into a target 25cm25 \mathrm{cm} thick with equal velocity, with what velocity would it emerge, supposing the resistance to be uniform and the same in both the cases?

Want unlimited Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power practice?

Pro unlocks the full question bank, topic filters, and attempt history.

Frequently asked questions

How do I practice Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power online for JEE?

Open this page, attempt the free sample MCQs, then sign up on Goodmarks to access the full Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power question bank with topic filters and detailed explanations.

How many Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power questions are available?

Goodmarks currently has 46+ JEE-aligned MCQs for Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power, with more added regularly.

Is this aligned with the JEE Main syllabus?

Yes. All Physics questions on Goodmarks are organised by official JEE Main units and subtopics, including Work done by a constant force and a variable force, kinetic and potential energies, work-energy theorem, power.

Do I get solutions after each question?

Every question includes the correct answer and a step-by-step explanation. Free users can practise a random mix; Pro unlocks full subject and topic filters.