M i right

  • Thread starter -=Mad=-
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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
 

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  • #2
tiny-tim
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Welcome to PF!

Hi -=Mad=-! Welcome to PF! :smile:
is this the wriye formula of cofficient of friction

22/7 x D x n/12
Noooo … that's the formula for the distance in feet that a cylinder of diameter D inches rolls after n turns. :wink:

Does that help? o:)
 
  • #3
HallsofIvy
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Whether that is a formula for friction or the distance a cylinder rolls (assuming that 22/7 is an approximation for [itex]\pi[/itex]) or the curvature of a hypersurface depends entirely upon the application- which you did not tell us!
 

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