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प्रश्न
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उत्तर
P.E. is the energy possessed by a body by virtue of its position, shape or configuration but K.E. is the energy possessed by a body by virtue of its velocity or motion.
E.g. A ball kept on a cliff possesses P.E. but as soon as it is kicked it possesses K.E.
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संबंधित प्रश्न
What is the work done by the moon when it revolves around the earth?
Work done = Force × ........................................
What are the quantities on which the amount of work done depends? How are they related to work?
Give an example
Chemical energy changes to electrical energy.
The weights of two bodies are 2.0 N and 2.0 kgf respectively what is the mass of each body?
A force can cause an object to change its ______.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
An engine is pulling a train.
