NCERT Solution CHAPTER 7 WORK, ENERGY, POWER for class 11 physics NEETIIT JEEAIIMSCBSE - Videos

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WORK, ENERGY and POWER
In this chapter we will understand:
1. Definition of work, energy and power.
2. Formula of work, energy and power.
3.Work Energy Theorem
4.Conservative and Non Conservative Energy

Work:
Work, in physics, measure of energy transfer that occurs when an object is moved over a distance by an external force at least part of which is applied in the direction of the displacement.

ENERGY:
Energy, in physics, the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms. There are, moreover, heat and work—i.e., energy in the process of transfer from one body to another.

POWER:
In physics, power is the rate of doing work. It is the amount of energy consumed per unit time. Having no direction, it is a scalar quantity. In the SI system, the unit of power is the joule per second (J/s), known as the watt in honour of James Watt, the eighteenth-century developer of the steam engine.

Link for part 1 of Work, Energy ad Power:
https://www.youtube.com/watch?v=rCssZpIRPfY

Link for part2 of Work, Energy ad Power:
https://www.youtube.com/watch?v=FTCJIb6ure4&feature=youtu.be
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Please watch: “NCERT solutions Part1 for class 11 physics chapter 3 motion in straight line NEETAIIMSIIT JEE|CBSE”


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