Question

2. When is the work done in the following situation :
(i) A boy pushing a wall.
(ii) A girl carrying a school bag on her shoulders.
(iii) A stone falling freely.
iv) A boy climbing up the stairs.
(a) (i) and (ii)
(b) (i) and (iii)
(d) (iii) and (iv)
(c) (ii) and (iv)​

Answer 1

option C is correct...

may this helpful..

please mark it brainliest..

Answer 2

Answer:

c is correct hope so it helped you