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DINAMIKA

bidang miring licin
θ = 53° → sin θ = ⅘
m₁ = 2 kg
m₂ = 3 kg
g = 10 m/s²
F = 50 N
a = __?

persamaan gerak
ΣF = m a
F - m₁ g sin θ - m₂ g sin θ = (m₁ + m₂) a
50 - 2 • 10 • ⅘ - 3 • 10 • ⅘ = (2 + 3) a
50 - 16 - 24 = 5 a
10 = 5 a
a = 2 m/s² ✔️

Besar percepatan sistem 2 m/s² ke atas sejajar bidang miring.