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m = 500 kg
g = 9,8 m/s²
θ = 53°
R = ??
w = __ ?
N = __ ?
v = __ ?
[a] Berat mobil
w = mg
w = (500) (9,8) = 4900 N ← jwb
[B] gaya normal
N = w / cos θ
N = 4900 / (³/₅) = 8166²/₃ N ← jwb
[C] kecepatan
v = √(gR tan θ)
v = √(9,8 · R · ⁴/₃) ← jwb