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diketahui:
F = 10 N
θ = 60°
cos 60° = 1/2
sin 60° = 1/2√3
ditanya:
R?
jawab:
Gaya yang bekerja pada sumbu x :
Fx = F cos θ
Fx = F cos 60°
Fx = 10 . 1/2
Fx = 5 N
Gaya yang bekerja pada sumbu y :
Fy = F sin θ
Fy = F sin 60°
Fy = 10 . 1/2√3
Fy = 5√3 N
Resultan Gaya :
R = √Fx² + Fy²
R = √5² + (5√3)²
R = √25 + 25 . 3
R = √25 + 75
R = √100
R = 10 N