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A molecule of water on the surface
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Downward resultant unbalanced cohesive force
A molecule on the surface experiences a net force (Cohesive force) in downward direction due to net number of molecules pulling it in the downward direction (molecule A as shown in figure underneath).
In contrast, a molecule well inside is equally pulled in all directions by molecules around at (molecule B as shown in figure)
In contrast, a molecule well inside is equally pulled in all directions by molecules around at (molecule B as shown in figure)
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