$Y $ component of velocity is $20$ and $X$ component of velocity is $10$. The direction of motion of the body with the horizontal at this instant is
${\tan ^{ - 1}}(2)$
${\tan ^{ - 1}}(1/2)$
$45^°$
$0^°$
A displacement vector of magnitude $4$ makes an angle $30^{\circ}$ with the $x$-axis. Its rectangular components in $x-y$ plane are .........
Explain resolution of vector in two dimension. Explain resolution of vector in its perpendicular components.
Find the magnitude of the unknown forces $X$ and $Y$ if sum of all forces is zero
There are four forces acting at a point $P$ produced by strings as shown in figure, point $P$ is at rest. The forces $F_1$ and $F_2$ are respectively:-
What is the maximum number of rectangular components into which a vector can be split in space?