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## Main Question or Discussion Point

is this the wriye formula of cofficient of friction

22/7 x D x n/12

22/7 x D x n/12

- Thread starter -=Mad=-
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is this the wriye formula of cofficient of friction

22/7 x D x n/12

22/7 x D x n/12

- #2

tiny-tim

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Hi -=Mad=-! Welcome to PF!

Noooo … that's the formula for the distance in feet that a cylinder of diameter D inches rolls after n turns.is this the wriye formula of cofficient of friction

22/7 x D x n/12

Does that help?

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HallsofIvy

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