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Verified answer
VEKTORa][
R = 25 N, arah sb Y⁺
karena 15, 20, 25 kelipatan tripel Pythagoras
b][
R = 2 N, arah sb Y⁺
Kedua vektor 12 N yang mengapit sudut 120°, nenghasilkan resultan 12 N berlawanan dengan arah vektir 10 N.