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Syllabus

Work and Energy — Syllabus

Karnataka Board · Class 9 · Science

What Work and Energy covers in Karnataka Board Class 9 Science: 4 topics, for the 2026-27 session. Topics include Work, Energy and Kinetic Energy.

42 questions20 flashcards3 formulas & key relations5 concepts

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4 Topics · Karnataka Board Class 9 Science · 2026-27

Topics in Work and Energy

1

Work

  • Work is done when a force acts on an object and causes displacement in the direction of force
  • Two conditions must be satisfied: (1) Force must be applied, (2) Object must be displaced
  • Work = Force × Displacement (when force and displacement are in same direction)
2

Energy

  • Energy is the capacity to do work
  • Energy exists in various forms: kinetic, potential, heat, light, chemical, electrical
  • Energy is a scalar quantity with same unit as work (joule)
3

Kinetic Energy

  • Energy possessed by an object due to its motion
  • Faster moving objects have more kinetic energy
  • Kinetic energy depends on mass and velocity of object
4

Potential Energy

  • Energy possessed by an object due to its position or configuration
  • Gravitational potential energy depends on height above reference level
  • Higher objects have more gravitational potential energy

Key Concepts

Work is done when a forceEnergy is the capacity to doEnergy possessed by an object dueEnergy possessed by an object dueEnergy can neither be created nor

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Frequently Asked Questions

What are the important topics in Work and Energy for Karnataka Board Class 9 Science?
Key topics in Work and Energy include Work, Energy, Kinetic Energy, Potential Energy. Study these first, then practise questions on each for Class 9 exams.
How should I revise Work and Energy for Class 9 exams?
Learn the core ideas first, then work through the 42 practice questions on Work and Energy. 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.

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All Karnataka Board Class 9 Science Syllabus

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