MCQ
Three forces are acting simultaneously at one point. Two forces $\overrightarrow{ P }, \overrightarrow{ Q }$ are $(2 \hat{i}-3 \hat{j})$ and $(\hat{i}-\hat{j})$ respectively. If the object is in equilibrium then which will be the third:
- A$i-2 j$
- ✓$-3 i+4 j$
- C$2 \hat{i}-2 \hat{j}$
- D$3 \hat{i}+4 \hat{j}$
