Surface tension_another problem

i_island0 · Nov 15, 2008

Suppose that there is a small spherical ball of mass 'm' floating on surface of a liquid due to surface tension. The contact angle between ball and liquid is theta. Is there any way to calculate exactly as what fraction of ball will be inside the fluid. Buoyancy should not be neglect.

i_island0 · Nov 15, 2008

i shall rephrase my question.
A small spherical ball is floating in liquid layer due to surface tension. Thus it depresses the liquid layer as if it is an elastic membrane. So shall we say that buoyant force doesn't act on it?

Surface tension_another problem

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Surface tension_another problem

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