The magnitude of pairs of displacement vectors are given. Which pair of displacement vectors cannot be added to give a resultant vector of magnitude $13\, cm$?
$4 \,cm, 16 \,cm$
$20 \,cm, 7 \,cm$
$1 \,cm, 15 \,cm$
$6 \,cm, 8 \,cm$
Explain the resolution of vector in three dimension.
The angles which a vector $\hat i + \hat j + \sqrt 2 \,\hat k$ makes with $X, Y$ and $Z$ axes respectively are
$ABCDEF$ is a regular hexagon and forces represented in magnitude and direction by $AB, AC,AD, AE$ and $AF$ act at $A$. Their resultant is :
Which of the following statement$(s)$ is are correct?