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Verified answer
KELAS = 11PELAJARAN = FISIKA
KATEGORI = Gaya
KATA KUNCI = vektor, sudut, resultan
PEMBAHASAN
Diketahui :
F1 = 3 N
F2 = 5 N
α = 60
bertitik tangkap sama
Ditanyakan : R ?
Dijawab :
Jumah kedua vektor :
R² = F1²+F2² + 2xF1F2x cos α
R² = 3² + 5² + 2x 3 x 5 x cos 60
R² = 9 + 25 + 30 x 1/2
R = √49
R = 7 N