Revision Notes For Class 9 Science Chapter 11 Work and Energy

The chapter Work and Energy is aimed to teach students about the scientific concepts of work, work done by a constant force, what is energy and are its various forms like Kinetic Energy and Potential Energy. Along with these students will also learn about law of conservation of energy and rate of doing work. To answer the questions related to energy and to score good marks in the exam students must revise the concepts before the night of the exam. To help students revise the concepts and to ease their difficulty of making notes we have provided revision notes for class 9 chapter 11 work and energy.

CBSE Notes Class 9 Science Chapter 11 Work and Energy

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Frequently asked Questions on CBSE Class 9 Physics Notes Chapter 11: Work and Energy

What is the definition of ‘Kinetic energy’?

Kinetic energy is a form of energy that an object or a particle has by reason of its motion.

What is the definition of ‘Potential energy’?

Potential energy is the stored energy that depends upon the relative position of various parts of a system.

What is ‘Power’?

Power is the amount of energy transferred or converted per unit time.

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