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प्रश्न
In the following case, work is done or not done and why?
A girl swimming in a water tank.
लघु उत्तरीय
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उत्तर
Work is done. The girl pushes the water backward, and the water exerts a forward force that moves her through the tank. The force on her and her displacement have a component in the same direction.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
