Which one of the following pair cannot be the rectangular components of force vector of $10 \,N$ ?
$6 \,N$ and $8 \,N$
$7 \,N$ and $\sqrt{51} \,N$
$6 \sqrt{2} \,N$ and $2 \sqrt{7} \,N$
$9 \,N$ and $1 \,N$
The angles which a vector $\hat i + \hat j + \sqrt 2 \,\hat k$ makes with $X, Y$ and $Z$ axes respectively are
Explain resolution of vectors.
The magnitude of the $X$ and $Y$ component of $\vec A$ are $7$ and $6$ respectively. Also the magnitude of $X$ and $Y$ component of $\vec A + \vec B$ are $11$ and $9$ respectively. What is the magnitude of $\vec B$ ?