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Seedha Education

ScienceWork and Energy

Class 9ScienceChapter 105 marksModerate

Watch this chapter

Science · Class 9Work and EnergyVideo coming soonRead the notes instead

Work Done by a Force, Kinetic and Potential Energy, Law of Conservation of Energy and the board questions built on them — roughly 5 marks of the paper.

What this chapter covers

  1. 1Work Done by a Force
  2. 2Kinetic and Potential Energy
  3. 3Law of Conservation of Energy
  4. 4Power

These lessons are being recorded. The written notes for this chapter are free to download now.

Learning resources

In the notes

Topics covered

  1. 01Work Done by a Force22:38
  2. 02Kinetic and Potential Energy10:18
  3. 03Law of Conservation of Energy9:18
  4. 04Power14:22

After this chapter you can

  • Explain work done by a force without reading from the book
  • Present kinetic and potential energy in the format the marking scheme rewards
  • Attempt every previous year question set on this chapter
Marks
5
PYQs
22
Video
57m

Then do the work

Practice

Important questions
39
Board questions
15
Numericals & applications
8
Open practice set

Revise

  • One-shot revision, 14 minutes
  • Formula sheet for this chapter
  • Printable summary, 2 pages
Revision material

Prepare

Board appearances of Work and Energy by year
YearAsked asMarks
2025MCQ set4
2024Case based2
2023Short answer2
2022Long answer6
2021MCQ set6
All PYQs

    Follow the Seedha path

    Target 95+ in Science

    Padho, Likho, Revise and Marks Laao. Chapter 10 of 12 — keep going while the format is fresh.