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प्रश्न
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A wind-mill is lifting water from a well.
लघु उत्तरीय
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उत्तर
- A wind-mill works against the gravitational force to lift water.
- Hence, work is done by the wind-mill in lifting water from the well.
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