Assertion: kinetic friction | /r/HasProperty | depend on material
Facets:
Source sentences:
text: The kinetic friction force [latex]{f}_{\text{k}}\\[/latex] between systems moving relative to one another is given by [latex]{f}_{\text{k}}={\mu }_{\text{k}}N\\[/latex], where [latex]{\mu }_{\text{k}}\\[/latex] is the coefficient of kinetic friction, which also depends on both materials.