Friction, or frictional force, is the mutual interaction between contacting surfaces that prevents the sliding of these bodies:
$$F_{h} = \mu \cdot N $$
where,
\(F_{\text{friction}}\)— frictional force;
μ— coefficient of friction;
N— normal force.
Friction FAQ
What is friction?
It is the force that resists relative motion between contacting surfaces.
What is the formula?
F = μN.
