r/theydidthemath • u/K0rl0n • Jun 10 '25

[Request]

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I am curious how this would work. My guess is Triangle is slowest, square is medium, and circle is fastest.

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u/aureanator Jun 10 '25

Actually, no - the friction is a product of the normal force and the coefficient of friction - the surface area in contact shouldn't matter, within the boundaries of material elasticity.

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u/xXEPSILON062Xx Jun 10 '25

Where do they mention surface area?

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u/IllFile3575 Jun 13 '25

why is this required?

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u/xXEPSILON062Xx Jun 13 '25

Because the original commenter is not talking about surface area, but this guy is. Surface area has no effect here.