The buoyant force is given by the equation:
\[F_{b} = \rho_{\text{oil}} \cdot g \cdot V_{\text{sub}}\]
where \(\rho_{\text{oil}}\) is the density of the oil, \(g\) is the acceleration due to gravity, and \(V_{\text{sub}}\) is the volume of the birchwood submerged
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