Static Friction Coefficient

Written by Jerry Ratzlaff on . Posted in Dimensionless Numbers

static friction coefficientStatic friction coefficient, abbreviated as \(\mu_s\) (Greek symbol mu), a dimensionless number, also called coefficient of static friction, is the amount of force that resists motion that is on the verge of motion.

 

Static friction coefficient formula

\(\large{  \mu_s =   \frac {f_s}{F_n}  }\) 

Where:

 Units English Metric
\(\large{ \mu_s }\)  (Greek symbol mu) = static friction coefficient \(\large{ dimensionless }\)
\(\large{ F_n }\) = normal force \(\large{ lbf }\) \(\large{N}\) 
\(\large{ f_s }\) = static friction \(\large{ lbf }\) \(\large{N}\) 

 

P D Logo 1 

Tags: Coefficient Equations Friction Equations