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प्रश्न
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उत्तर
When we wind a watch, the configuration of its spring is changed. The energy stored in the spring is obviously potential in nature (elastic potential to be more accurate).
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संबंधित प्रश्न
Derive a relationship between S.I. and C.C.S. unit of work
Name the forms of energy which a wound-up watch spring possesses.
.A man raises a box of mass 50kg to a height of 2m in 20s, while another man raises the same box to the same height in 50s. Compare:
(i) the work done, and
(ii) the power developed by them.
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Name the force acting away from the centre of circular path.
Fill in the boxe to show the corresponding energy transformation.
