Calculating Static Friction Coefficient w/ Angle of Uniform Slip

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The discussion centers on calculating the coefficient of static friction (μs) using the angle of uniform slip (θ). It clarifies that the correct relationship is tanθ = μs, contrasting it with the kinetic friction equation tanθ = μk. Participants express gratitude for the clarification, emphasizing the importance of distinguishing between the angles for static and kinetic friction. The conversation highlights a common confusion in understanding friction coefficients. Understanding this relationship is crucial for accurate calculations in physics.
tratata
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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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tratata said:
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? :wink:​
 


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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