Work And Energy Class 9 CBSE Notes – Chapter 11
Work, Power And Energy Class 9 Notes describes the meaning of work and energy, and how they are related to each other. The term work might imply working hard, such as studying for an exam, or a performing a job. However, in science, the term “work” has a very different meaning. It essentially is a term used to define the movement of an object a certain distance using an external force.
CBSE Revision Notes 