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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.

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asked Oct 16, 2017 in Physics by jisu zahaan (28,760 points) ● 28 ● 436 ● 1090

A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. The work done against the gravitational force will be (g =10 m s–2) 

(a) 6 ×103 J 

(b) 6 J 

(c) 0.6 J 

(d) zero

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answered Oct 16, 2017 by sforrest072 (157,439 points) ● 63 ● 448 ● 1282

work done against the gravitational force

(d) zero

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