Answer this: Do you think it is possible to have a frictionless surface? Prove your answer.
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malonzoshakenara
I take a frictionless ball and bowled it on a frictional surface, would it roll or ... To answer your question, I will first illustrate an idea for you. Think of having a layer of atoms all aligned and are perfectly in one plane. ... But a standard application of the Calculus of Variations is to show that such surfaces have mean curvature ...
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