Q. 54.0( 5 Votes )

A girl is carrying a school bag of 5 kg mass on her back and moves 300 m on a levelled road. The work done against the gravitational force will be (g =10 m s–2)
A. 6 ×103J

B. 6 J

C. 0.6 J

D. zero

Answer :

Since she is walking on a leveled road hence the gravitational force will be constant.

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