Kinetic Friction
Kinetic friction ( \(f_k \) ) (also called dynamic friction or sliding friction) is the force opposing two objects rubbing together that are moving relative to each other.
Kinetic Friction formula
\(\large{ f_k = \mu_k F_n }\)
Where:
\(\large{ f_k }\) = kinetic friction
\(\large{ \mu_k }\) (Greek symbol mu) = kinetic friction coefficient
\(\large{ F_n }\) = normal force
Solve for:
\(\large{ \mu _k = \frac {f_k}{F_n} }\)
\(\large{ F_n = \frac {f_k}{\mu_k} }\)
Tags: Equations for Friction