MCQ 11 Mark
When is the work done in the following situation :
A boy pushing a wall
A girl carrying a school bag on her shoulders
A stone falling freely
A boy climbing up the stairs
A boy pushing a wall
A girl carrying a school bag on her shoulders
A stone falling freely
A boy climbing up the stairs
- A(i) and (ii)
- B(i) and (iii)
- C(ii) and (iv)
- ✓(iii) and (iv)
Answer
View full question & answer→Correct option: D.
(iii) and (iv)
D