CBSE Class 9 Science Notes Chapter 11 Work and Energy
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Class 9th science Chapter 11 Work and Energy has been written in very easy language and proper format which will help the students to attempt the paper per with very effective manner. Crystal clear concepts and best format of writing will help the student to achieve good marks in their exams.
Science notes of class 9th Chapter 11 Work and Energy is very basic lesson but it is very important for future classes.
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We have also given multiple choice questions MCQs quiz for CBSE class 9th science which are free to attempt unlimited times.
CBSE Class 9 Science Notes Chapter 11- Topics covered
Work, Types Of Work, Positive Work, Negative Work, Zero Work, Units Of Work, Relation Between Joule And Erg, Work Energy Theorem, Power, Units And Dimensional Formula Of Power, Energy, Mechanical Energy, Kinetic Energy, Expression For Kinetic Energy, Potential Energy, Expression For Gravitational Potential Energy, Law Of Conservation Of Mechanical Energy, Conservation Of M.E. Of A Freely Falling Body Under Gravity, Commercial Unit Of Electric Energy, Relation Between kwh And Joule, Rating On Electric Appliances, Mass-Energy Equivalence.