These notes are made out of the past 10 years question papers and study material which help the students cover each and.
Work energy and power class 11 notes pdf.
Physics notes class 11 chapter 6 work energy and power work when a force acts on an object and the object actually moves in the direction of force then the work is said to be done by the force.
Where k i initial kinetic energy.
Work done by the force is equal to the product of the force and the displacement of the object in the direction of force.
Dronstudy provides free comprehensive chapterwise class 11 physics notes with proper images diagram.
And k f final kinetic energy.
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.
Work power and energy are among the most important concepts of mechanics.
Work done by the force is positive if the angle between force and displacement is acute 0 θ 90 as cos θ is positive.
Class 11 physics chapter 6 work energy and power notes are prepared by our panel of highly qualified teachers who follow strict cbse guidelines to get rid of any confusion among children regarding the content of the course since cbse keeps on updating the course every year.
Revision notes on work power and energy.
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Cbse class 11 physics work energy and power notes.
Notes for work energy and power chapter of class 11 physics.
Regarding the work energy theorem it is worth noting that i if w net is positive then k f k i positive i e k f k i or kinetic energy will increase and vice versa.
Work work done w is defined as the dot product of force f and displacement s.
This signifies when the force and displacement are in same.
Work whenever a force acting on a body produces a change in the position of the body work is said to be done by the force.
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 class 11 notes physics chapter 6 work is said to be done when a force applied on the body displaces the body through a certain distance in the direction of applied force.
Here θ is the angle between and.
11th cbse physics work energy and power full chapter in 1 video ncert neet jee complete detail explanation in simple words.
It is measured by the product of the force and the distance moved in the direction of the force i e w f s.