Multiple Choice Question $2\mathrm{.}22.$

Part A

Express force $F$ as a Cartesian vector; then determine its direction angles.

$F=(-4i+2j+4k)kN,=131\mathrm{.}8,=70\mathrm{.}5,=48\mathrm{.}2$

$F=(-4i+j+4k)kN,=48\mathrm{.}2,=70\mathrm{.}5,=48\mathrm{.}2$

$F=(-2i+j+2k)kN,=131\mathrm{.}8,=70\mathrm{.}5,=48\mathrm{.}2$

$F=(-2i+j+2k)kN,=48\mathrm{.}2,=70\mathrm{.}5,=48\mathrm{.}2$

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