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F1 = 4 N (Atas)
F2 (kanan)
R = 5 N
DIT : F2 ?
dijwab :
R² = F1²+ F2²
5² = 4² + F2²
25 = 16 + F2²
F2² = 25-16
F2 = √9
F2 = 3 N
Gambar :
↑ F1
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|
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|_________________> F2