Work and energy key points of …
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Posted by Jeevitha R 5 years, 1 month ago
- 3 answers
Yogita Ingle 5 years, 1 month ago
Work: When a force acts on an object and the object shows displacement, the force has done work on the object.
Two conditions need to be satisfied for work to be done:
(i) A force should act on object
(a) The object must be displaced
Work = Force x Displacement Unit of workdone = Joule = Newton x metre 1 Joule work is said to be done when 1 Newton force is applied on an object and it shows the displacement by 1 meter.
Energy
The capacity of a body to do work is called the energy of the body.
Unit of energy = Joules 1KJ = 1000 J
Forms of Energy: The various forms of energy are potential energy, kinetic energy, heat energy, chemical energy, electrical energy and light energy.
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Maheshwari N C Chandra Babu N A 5 years, 1 month ago
1Thank You