Let's say we have a single plate with liquid on both sides rising up due to surface tension. The meniscus formed has a radius of curvature $R$.
I'm trying to find the excess pressure, i.e, the pre...
I know this is a bit late, but if you still haven't figured it out, here goes:
Firstly, let the mass per unit area of the disk be $\sigma = \frac{m}{\pi R^2}$.
Consider a small element of area $d...