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Verified answer
R = (F1 + F2) - F3R = (50 + 40) - 70
R = 90 - 70
R = 20 N
Verified answer
Resultan.Jika ke bawah resultan bertanda positif dan sebaliknya.
R = F₃ - F₂ - F₁
= 70 N - 40 N - 50 N = -20 N, ke atas.