Assertion: kinetic friction | /r/HasProperty | the force
Facets:
Source sentences:
text: Kinetic friction is the force acting between two relatively moving objects that rub each other.
text: kinetic friction: a force that opposes the motion of two systems that are in contact and moving relative to one another
text: Kinetic friction is the force that must be overcome in order to keep a body in motion.
text: This kinetic friction is the force which slows the skiers down after they start moving.
text: Kinetic friction is a force that acts between moving surfaces.