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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/s^2, the work done by the girl

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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

(a) 6000 J

(b) 0.6 J

(c) 0 J

(d) 6 J

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Correct answer is: (c) 0 J

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