Example $4\mathrm{.}7$ Determine the resultant of a system of forces as shown in Figure $4\mathrm{.}11,$ acting on a

$40mm40mm$ size lamina. Each grid is of size $10mm10mm.$ Determine the $x$ and $y$ intercepts

also.

Figure $4\mathrm{.}11$ Example $4\mathrm{.}7.$