rolling resistance
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Rolling resistance — Figure 1 Hard wheel rolling on and deforming a soft surface, resulting in the reaction force from the surface having a component that opposes the motion. Rolling resistance, sometimes called rolling friction or rolling drag, is the… … Wikipedia
rolling resistance force — the negative longitudinal force resulting from energy losses due to deformations of a rolling tire. Note: this force can be computed from the forces and moments acting on the tire by the road. fr = (mycosy + mzsiny)/rl. Note: this rolling… … Mechanics glossary
rolling resistance force coefficient — the ratio of the rolling resistance to the vertical load … Mechanics glossary
rolling resistance — As the wheels begin to turn, there are forces which resist its motion such as low tire pressure, rough road surface, increased tire temperature, tire composition, increased vehicle weight, and even air resistance … Dictionary of automotive terms
Low-rolling resistance tires — are tires which are designed to improve fuel efficiency of a car by minimizing the energy wasted as heat as the tire rolls down the road. Approximately 5–15% of the fuel consumed by a typical car may be to overcome to rolling resistance. [… … Wikipedia
coefficient of rolling resistance — see rolling resistance force coefficient … Mechanics glossary
rolling resistance moment — the component of the tire moment vector tending to rotate the tire about the y axis, positive clockwise when looking in the positive direction of the y axis … Mechanics glossary
Rolling-element bearing — A rolling element bearing is a bearing which carries a load by placing round elements between the two pieces. The relative motion of the pieces causes the round elements to roll with very little rolling resistance and with little sliding.One of… … Wikipedia
Rolling highway — A rolling highway (originating from the German designation Rollende Autobahn , also known as Rollende Landstrasse / rolling country road or abbreviated RoLa ) is a combined transport system to transport trucks by rail. For this purpose, special… … Wikipedia
resistance — [1] An opposing force. [2] A measure of a conductor s ability to retard the flow of electricity. [3] An opposition to flow or movement; a coefficient of friction. See air resistance corrosion resistance fatigue resistance impact resistance test… … Dictionary of automotive terms
