What does rolling resistance mean?
Definitions for rolling resistance
rolling re·sis·tance
This dictionary definitions page includes all the possible meanings, example usage and translations of the word rolling resistance.
Wiktionary
rolling resistancenoun
The force that resists the rolling of a wheel or other circular object.
Wikidata
Rolling resistance
Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body rolls on a surface. It is mainly caused by non-elastic effects, that is, not all the energy that is needed for deformation of the wheel, roadbed, etc. is recovered when the pressure is removed. Two forms of this are hysteresis losses, see below, and permanent deformation of the object or the surface. Another cause of rolling resistance lies in the slippage between the wheel and the surface, which dissipates energy. Note that only the last one of these effects involves friction, therefore the name "rolling friction" is to some extent a misnomer. In analogy with sliding friction, rolling resistance is often expressed as a coefficient times the normal force. This coefficient of rolling resistance is generally much smaller than the coefficient of sliding friction. Any coasting wheeled vehicle will gradually slow down due to rolling resistance including that of the bearings, but a train car with steel wheels running on steel rails will roll farther than a bus of the same mass with rubber tires running on tarmac. Factors that contribute to rolling resistance are the deformation of the wheels, the deformation of the roadbed surface, and movement below the surface. Additional contributing factors include wheel diameter, speed load on wheel, surface adhesion, sliding, and relative micro-sliding between the surfaces of contact. The losses due to hysteresis also depend strongly on the material properties of the wheel or tire and the surface. For example, a rubber tire will have higher rolling resistance on a paved road than a steel railroad wheel on a steel rail. Also, sand on the ground will give more rolling resistance than concrete.
Numerology
Chaldean Numerology
The numerical value of rolling resistance in Chaldean Numerology is: 2
Pythagorean Numerology
The numerical value of rolling resistance in Pythagorean Numerology is: 2
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"rolling resistance." Definitions.net. STANDS4 LLC, 2024. Web. 28 Apr. 2024. <https://www.definitions.net/definition/rolling+resistance>.
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