Work Energy And Power Notes Pdf

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 notes pdf.

Cbse class 11 physics work energy and power notes. The words work and power must be clearly defined as science concepts and it must be further clarified to the learners that these words do not. Energy 1 energy is the ability of the body to do some work. Power the rate at which work is done is called power and is defined as p w t f s v f v.

Instantaneous power in terms of mechanical energy p de dt. Work energy and power tuesday february 10th reading. Online revision notes for class 11 physics chapter 6 work energy and power are really useful in revising the important topics of the chapter. The si unit of work is the unit of energy 1j joule.

Work power and energy are among the most important concepts of mechanics. Revision of grade 9. 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. 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. Work work and energy are the same thing. 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.

Energy can t be created or destroyed it can only be changed from one type into another type. Work energy and power. Work energy and power in this section of the transport unit we will look at the energy changes that take place when a force acts upon an object. Vedantu offers well curated revision notes designed by experts to help students learn the chapters in an effective manner.

Work energy and power. When a force moves. 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. Those students who have difficulty in understanding the chapter can utilize online notes for the same available on vedantu.

When forces do work on an object they tend to accelerate the object. States of matter and the kinetic molecular theory. Work is defined as the product of the force and the distance covered by the body in the direction of force. Here s is the distance and v is the speed.

We call this rule conservation of energy.