Skip to main content
Super TutorResources
Chapter 9 of 14
Syllabus

Work, Energy and Power — Syllabus

CBSE · Class 11 · Physics

What Work, Energy and Power covers in CBSE Class 11 Physics: 4 topics, for the 2026-27 session. Part of the CBSE Class 11 Physics syllabus.

138 questions70 flashcards15 formulas & key relations5 concepts

Interactive on Super Tutor

Studying Work, Energy and Power? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for syllabus and more.

Try Super Tutor — Free

Free trial, no card needed.

4 Topics · CBSE Class 11 Physics · 2026-27

Topics in Work, Energy and Power

1

1. Scalar Product and the Idea of Work

  • The scalar product or dot product of two vectors gives a scalar quantity.
  • Work in physics depends on the component of force along displacement.
  • If force and displacement are perpendicular, work is zero.
2

2. Work-Energy Theorem

  • The change in kinetic energy of a particle equals the work done on it by the net force.
  • For constant force, the theorem follows from the kinematic relation v^2 - u^2 = 2as.
  • For variable force, the theorem is written using integration.
3

3. Work Done by Constant Forces

  • Work depends on force, displacement, and the angle between them.
  • If displacement is zero, work is zero even if force is large.
  • If force is zero, work is zero even if displacement is large.
4

4. Kinetic Energy

  • Kinetic energy is the energy of motion.
  • It is always a scalar quantity.
  • It depends on mass and the square of speed.

Key Concepts

Central concept: Work, Energy and Power: the link between force, motion, stored energy, and the rate of energy transfer

Scalar productWorkKinetic energyWork-energy theoremVariable forcePotential energyConservative forceNon-conservative force

Work through every topic in Work, Energy and Power with notes and quizzes

Start This Chapter

Frequently Asked Questions

What are the important topics in Work, Energy and Power for CBSE Class 11 Physics?
Key topics in Work, Energy and Power include Scalar Product and the Idea of Work, Work-Energy Theorem, Work Done by Constant Forces, Kinetic Energy. Study these first, then practise questions on each for Class 11 exams.
How should I revise Work, Energy and Power for Class 11 exams?
Learn the core ideas first, then work through the 138 practice questions on Work, Energy and Power. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Work, Energy and Power

All CBSE Class 11 Physics Syllabus

For serious students

Get the full Work, Energy and Power chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for CBSE Class 11 Physics. Free to start, no card needed.

Try Super Tutor Free
Try this chapter free