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प्रश्न
Explain by an example that a body may possess energy even when it is not in motion.
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उत्तर
A body can have energy even if it is not in motion. The statement can be justified by:
Water stored in the reservoir at the roof of a building possesses gravitational potential energy due to its position above the ground.
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संबंधित प्रश्न
What are the units of (a) work, and (b) energy?
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. If the value of g be 10 m/s2, the work done by the girl against the gravitational force will be :
The work done on an object does not depend on the :
Name the force acting away from the centre of circular path.
How fast should a boy weighting 30 kg run so that his kinetic energy is 375 joule?
State larger units of power.
Calculate the work done when:
A 5 kg weight is lifted 10 m vertically. (g = 9.8 m/s2)
A bucketful of water is to be drawn from a well ______ will be done when a ______ is applied to do this because there will be a ______ of water.
(displacement, work, force)
A is a push or a pull ______.
