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I Younis Khan here provided complete detailed lectures of Chapter 11 Work and Energy of Class 9. Students need not to buy any course from any other website. This Portal is a complete educational Portal with detailed lectures and online quizzes. So here all lectures and quizzes of this chapter is provided.

 

In this Course  I have provided following content:

 

  1. Introduction, work, Work done by Constant force, Types of Work and Units of Work.
  2. Energy, Various forms of energy, Kinetic Energy, Potential Energy, Conservation of Mechanical Energy for freely falling body.
  3. Rate of Doing Work, Units of Power, Commercial unit of Energy.
  4. Numericals based on all above Concepts
  5. Online quizzes and assignments

 

Course Curriculum

  • 00:00:00
  • 00:00:00
  • 00:00:00
  • Section 1. Concept of Work
    Work, Types of Work and Units 00:00:00
    Section 2. Energy
    Energy, Various Forms and Transformation 00:00:00
    Kinetic Energy and Potential Energy and onservation of Mechanical Energy 00:00:00
    Section 3. Power
    Power, Its Unit and Commercial Unit of Energy 00:00:00

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