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Wu = 100 N
Vb = 2000 cm³ ⇒ 2000×10⁻⁶ m³
ρ = 0,8 gr/cm³ ⇒ 0,8×10³ kg/m³
g = 10 m/s²
Ditanyakan: Wf =..?
Penyelesaian :
Wf = W - Fa
⇒Wf = W - ρ·g·V
⇒Wf = 100 N - 0,8 ·10³ kg/m³ × 10 m/s² × 2000 ·10⁻⁶ m³
⇒Wf = 100 - 800 × 10 × 2 ·10⁻³
⇒Wf = 100 - 16
⇒Wf = 84 N
Jadi berat benda didalam minyak adalah 84 N