Work Energy And Power Notes Pdf

Energy 1 energy is the ability of the body to do some work.

Work energy and power notes pdf.

Work work and energy are the same thing. Up to page 88 in the text book ch. Work power and energy are among the most important concepts of mechanics. A guide to work energy and power teaching approach work energy and power is a topic which comprise of three concepts which are very closely related work and energy and power.

Work energy and power tuesday february 10th reading. The s i unit of the work is joule. 2 3 work energy and power work and kinetic energy 2 3 work as energy transfer work as energy transfer work w is a quantity that gives the amount of energy transferred between a system and its surroundings by mechanical means. Online revision notes for class 11 physics chapter 6 work energy and power are really useful in revising the important topics of the chapter.

Work energy and power. Transverse pulses on a string or spring. Work is defined as the product of the force and the distance covered by the body in the direction of force. Work energy and power.

Instantaneous power in terms of mechanical energy p de dt. We call this rule conservation of energy. Vedantu offers well curated revision notes designed by experts to help students learn the chapters in an effective manner. 1 joule work is defined as the amount of work done to cover a distance of 1m in the direction of force when the force of 1n is applied on the body.

Here s is the distance and v is the speed. 6 finish newton s laws and circular motion energy work definition examples of work work and kinetic energy conservative and non conservative forces work and potential energy conservation of energy. When forces do work on an object they tend to accelerate the object. Revision of grade 9.

Power the rate at which work is done is called power and is defined as p w t f s v f v. A moving car walking up stairs lifting heavy objects an aeroplane flying etc are among the most common examples that give us insight into the concept of work power and energy. Energy can t be created or destroyed it can only be changed from one type into another type. Cbse class 11 physics work energy and power notes.

When a force moves. The si unit of work is the unit of energy 1j joule. Those students who have difficulty in understanding the chapter can utilize online notes for the same available on vedantu. The unit of power in s i system is j s watt and in c g s system is erg s.

Work energy and power.