Quote:
Originally Posted by Wes Hansen
I think there must be some physics geek that could explain the principle, but it MUST be harder to keep a grip on something with less of an angle. Right?
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I believe you are talking about a 'Normal' force... it is considered when calculating frictional forces between two static objects. It varies directly with the cosine of the angle in question.
http://en.wikipedia.org/wiki/Normal_force