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Exam (elaborations)
Exam (elaborations) r UPSC 21098
r UPSC 21098
r UPSC 21098
Work is said to be done, if force acting on a body is able to actually move it through some distance in the direction of the force. Its SI unit is a joule. ENERGY • Energy is a scalar quantity and its unit is Joule. • The sum of all kinds of energies in an isolated system remains constant at all times. This is the law of conservation of energy. POWER Its unit is watt. • 1 watt hour = 3600 Joule • 1 kilowatt hour = 3.6 x 106 joule • 1HP = 746 watt GRAVITATION • Everybod...
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