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• pompa hidrolik
Ab = 10 cm² = 10×10^-4 m²
Fb = 400 N
Pa = __?
Pada pompa hidrolik berlaku
Pa = Pb
Pa = Fb / Ab
Pa = (400 N) / (10×10^-4 m²)
Pa = 40×10⁴
Pa = 4×10^5 = 400000 N/m² ← jwb
tekanan pada kaki A sebesar
4×10^5 = 400000 N/m² = 400 kPa