Question

5. A girl is carrying a school bag of 3 kg mass on her back and moves 200
mon a levelled road. The work done against the gravitatioral force will
bc (g=10 ms)
(a 6 *10- J
(b) 6J
(d 0.6J
(d) zero​

Answer 1

Answer:

zero because the angle between bag and displacement is cos90 which equals to zero

Explanation:

hope it will help you

Answer 2

Answer:

go through the above attachment

I hope this will help u