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Question
Give an example
Chemical energy changes to heat energy.
Solution
Candle flame
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RELATED QUESTIONS
When do we say that work is done?
Write an expression for the work done when a force is acting on an object in the direction of its displacement.
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(ii) a coolie standing with a load of 12 kgf on his head.
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Give an example
Electrical energy changes to heat energy.
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In the following case write yes, if the work is being done and no if no work is being done.
A boy climbing up a staircase.
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(iv) Her power in watt.
A body of mass 0.5 kg travels on straight line path with velocity v = (3x2 + 4) m/s. The net work done by the force during its displacement from x = 0 tox = 2 m is ______.
