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I've observed this many times when I spill coffee, It gets attracted towards the cup or the vessel. why is this so? Which is the force acting? (Hope you understood my question).

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up vote 1 down vote accepted

I'm reasonably certain it's surface tension

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How surface tension is the reason for this can you brief me a little – Green Horn Apr 12 '11 at 9:08
Surface tension is not sufficient to explain that! Adhesion is equally important. In the wikipedia article this is almost forgotten for capillary forces. – Georg Apr 12 '11 at 9:15
@George - Yes,Its due to Adhesive force. – Green Horn Apr 13 '11 at 6:40

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