MCQ
Figure shows the orientation of two vectors $u$ and $v$ in the $XY$ plane.
If $\text{u}=\text{a}\hat{\text{i}}+\text{b}\hat{\text{j}}$ and $\text{v}=\text{p}\hat{\text{i}}+\text{q}\hat{\text{j}}$ which of the following is correct?
If $\text{u}=\text{a}\hat{\text{i}}+\text{b}\hat{\text{j}}$ and $\text{v}=\text{p}\hat{\text{i}}+\text{q}\hat{\text{j}}$ which of the following is correct?
- A$a$ and $p$ are positive while $b$ and $q$ are negative.
- ✓$a, p$ and $b$ are positive while $q$ is negative.
- C$a, q$ and $b$ are positive while $p$ is negative.
- D$a, b, p$ and $q$ are all positive.
