Example $3\mathrm{.}9$ Four forces acting on a hook are shown in Figure $3\mathrm{.}9.$ Determine the direction of

the force $150$ N such that the hook is pulled in the $x-$direction. Determine the resultant force in the

$x-$direction.

Figure $3\mathrm{.}9$ Example $3\mathrm{.}9.$