ScienceCLASS 9CBSE
answered 27 Mar 2026A 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 zero
A.VERIFIED ANSWERfact-checked by tutors
Here Direction of workdone is perpendicular to gravitational force direction.Hence the workdone against the gravity is zero.