Express force F as a Cartesian vector; then determine its direction an – McqOptions

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1.	Express force F as a Cartesian vector; then determine its direction angles.
A.	F = (-2i +j+2k) kN, = 48.2¬∞, = 70.5¬∞, = 48.2¬∞
B.	F = (-2i +j+2k) kN, = 131.8¬∞, = 70.5¬∞, = 48.2¬∞
C.	F = (-4i +j+4k) kN, = 48.2¬∞, = 70.5¬∞, = 48.2¬∞
D.	F = (-4i +2j+4k) kN, = 131.8¬∞, = 70.5¬∞, = 48.2¬∞
Answer» C. F = (-4i +j+4k) kN, = 48.2¬∞, = 70.5¬∞, = 48.2¬∞

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