coefficient of rolling friction
Also found in: Acronyms.
coefficient of rolling friction
[¦kō·ə′fish·ənt əv ′rōl·iŋ ′frik·shən] (mechanics)
The ratio of the frictional force, parallel to the surface of contact, opposing the motion of a body rolling over another, to the force, normal to the surface of contact, with which the bodies press against each other.