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How do you use the angle of uniform slip to calculate coefficient of static friction

by tratata
Tags: angle, coefficient, friction, slip, static, uniform
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tratata
#1
Oct10-12, 02:55 AM
P: 10
How do you use the angle of uniform slip to calculate the coefficient of static friction?
Is there an equation for this? I cannot find it in the module on friction provided with the course.... thanks!

I found somewhere that tanθ=μk, but that doesn't really help me, as i am looking for μs! thanks :)

PS sorry if this is a really stupid question by the way...
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tiny-tim
#2
Oct10-12, 03:22 AM
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hi tratata! welcome to pf!

(try using the X2 button just above the Reply box )
Quote Quote by tratata View Post
How do you use the angle of uniform slip to calculate the coefficient of static friction?

I found somewhere that tanθ=μk, but that doesn't really help me, as i am looking for μs!
it's tanθ = μs (different θ, of course!), and for the same reason
i suppose you can prove why?
tratata
#3
Oct11-12, 01:35 AM
P: 10
Thank you so very much tiny-tim! I really appreciate your help with this! It makes sense now when you pointed out the difference in angle!


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