Problem $9($Problem $2-87)(15$ points$)$

Express force vec$(F)$ as a Cartesian vector; then determine its coordinate direction angles.

$($Answer:

$F=(59\mathrm{.}4i-88\mathrm{.}2j-83\mathrm{.}2k)lb$

$\{$:$=63\mathrm{.}9,=131$ and $=128)$

Solution