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Diketahui:
F= 4 N
θ= 180°-30° = 150°
Ditanyakan: Fx dan Fy ?
Dijawab:
Fx = F. cosθ
= 4. cos 150
= 4.-¹/₂√3
= -2√3 N
Fy = F. sinθ
= 4.sin 150
= 4.¹/₂
= 2 N
So the answer is E.
Selesai,jelas ya.