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F2 -> -8 N
F3 -> kw. lV= 6 N
F1x= F1 cos θ
= 8 cos 60
= 8 . 1/2
= 4 N
F1y = F1 sin θ
= 8 sin 60
= 8 . 1/2√3
= 4√3 N
F2x= -8 N
F2y= 0 N
F3x= F3 cos θ
= 6 cos 60
= 6 . 1/2
= 3 N
F3y= F3 sin θ
= -6 sin 60
= -6 . 1/2√3
= -3√3 N
Fx= 4 - 8 + 3
= -1 N
Fy= 4√3 + 0 - 3√3
= √3
R= √Fx² + Fy²
= √[[-1]² + [√3]²]
= √[1 + 3]
= √4
= 2
Jadi, besar resultan gayanya adalah 2 N [A].