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α = 30⁰
sin 30 = 1/2
cos 30 = 1/3 √3
Fx : proyeksi gaya dalam arah X
Fx = Fcosα
= 12. 1/2 √3
= 6√3N
Proyeks Gaya dalam arah y
Fy = F sinα
= 12. 1/2
= 6N
jawabannya A
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