Attraction between glass plates

Find the maximum force of attraction in Newtons between two glass plates separated by a distance \(h=0.1~\text{mm}\) after a drop of water of mass \(m=70~\text{mg}\) was introduced between them.

Details and assumptions

Assume that water's surface tension and density are \(\sigma=73\times 10^{-3}~\mbox{N}/\mbox{m}\) and \(\rho=10^{3}~\text{kg}/\text{m}^3\), respectively.

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