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Rolling resistance

Index Rolling resistance

Rolling resistance, sometimes called rolling friction or rolling drag, is the force resisting the motion when a body (such as a ball, tire, or wheel) rolls on a surface. [1]

60 relations: Adhesion railway, Ball, Banked turn, Bicycle tire, Brake, Bus, Cant (road/rail), Carriageway, Centrifugal force, Centripetal force, Concrete, Cornering force, Curve resistance (railroad), Deformation (engineering), Firestone and Ford tire controversy, Ford Explorer, Friction, Frictional contact mechanics, Hysteresis, Length, Levitation, Line of action, Low rolling resistance tire, Maglev, Magnetism, Mayo D. Hersey, Michelin, Moment (physics), Motion (physics), Motor vehicle, N700 Series Shinkansen, Newton (unit), Normal force, Plasticity (physics), Radius, Regenerative brake, Road, Roadway noise, Rolling-element bearing, SAE J1269, SAE J2452, Sand, Semi-trailer, Shell Eco-marathon, Small-angle approximation, Soap Box Derby, Solar car, Steel, Tire, Torque, ..., Track (rail transport), Traction (engineering), Tractive force, Train, Transmission (mechanics), Tread, Vehicle, Viscoelasticity, Wheel, Wheelset (rail transport). Expand index (10 more) »

Adhesion railway

An adhesion railway relies on adhesion traction to move the train.

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A ball is a round object (usually spherical but sometimes ovoid) with various uses.

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Banked turn

A banked turn (or banking turn) is a turn or change of direction in which the vehicle banks or inclines, usually towards the inside of the turn.

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Bicycle tire

A bicycle tire is a tire that fits on the wheel of a bicycle, unicycle, tricycle, quadracycle, bicycle trailer, or trailer bike.

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A brake is a mechanical device that inhibits motion by absorbing energy from a moving system.

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A bus (archaically also omnibus, multibus, motorbus, autobus) is a road vehicle designed to carry many passengers.

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Cant (road/rail)

The cant of a railway track or camber of a road (also referred to as superelevation, cross slope or cross fall) is the rate of change in elevation (height) between the two rails or edges.

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A carriageway (British English) or roadway (North American English) consists of a width of road on which a vehicle is not restricted by any physical barriers or separation to move laterally.

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Centrifugal force

In Newtonian mechanics, the centrifugal force is an inertial force (also called a "fictitious" or "pseudo" force) directed away from the axis of rotation that appears to act on all objects when viewed in a rotating frame of reference.

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Centripetal force

A centripetal force (from Latin centrum, "center" and petere, "to seek") is a force that makes a body follow a curved path.

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Concrete, usually Portland cement concrete, is a composite material composed of fine and coarse aggregate bonded together with a fluid cement (cement paste) that hardens over time—most frequently a lime-based cement binder, such as Portland cement, but sometimes with other hydraulic cements, such as a calcium aluminate cement.

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Cornering force

Cornering force or side force is the lateral (i.e., parallel to the road surface) force produced by a vehicle tire during cornering.

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Curve resistance (railroad)

In railroad engineering, curve resistance is a part of train resistance, namely the additional rolling resistance a train must overcome when travelling on a curved section of track.

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Deformation (engineering)

In materials science, deformation refers to any changes in the shape or size of an object due to-.

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Firestone and Ford tire controversy

The Firestone and Ford tire controversy was a period of unusually high failures of P235/75R15 ATX, ATX II, and Wilderness AT tires installed on the Ford Explorer and other related vehicles.

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Ford Explorer

The Ford Explorer is a range of SUVs manufactured by Ford Motor Company.

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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Frictional contact mechanics

Contact mechanics is the study of the deformation of solids that touch each other at one or more points.

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Hysteresis is the dependence of the state of a system on its history.

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In geometric measurements, length is the most extended dimension of an object.

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Levitation (from Latin levitas "lightness") is the process by which an object is held aloft, without mechanical support, in a stable position.

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Line of action

In physics, the line of action of a force F is a geometric representation of how the force is applied.

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Low rolling resistance tire

Low rolling resistance tires are designed to reduce the energy loss as a tire rolls, decreasing the required rolling effort — and in the case of automotive applications, improving vehicle fuel efficiency.

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Maglev (derived from magnetic levitation) is a system of train transportation that uses two sets of magnets, one set to repel and push the train up off the track as in levitation (hence Maglev, Magnetic-levitation), then another set to move the 'floating train' ahead at great speed taking advantage of the lack of friction.

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Magnetism is a class of physical phenomena that are mediated by magnetic fields.

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Mayo D. Hersey

Mayo Dyer Hersey (August 30, 1886 – September 5, 1978) was an American engineer, physicist at the National Bureau of Standards and other government agencies, and Professor of Engineering at Brown University.

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Michelin (full name: SCA Compagnie Générale des Établissements Michelin) is a French tyre manufacturer based in Clermont-Ferrand in the Auvergne région of France.

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Moment (physics)

In physics, a moment is an expression involving the product of a distance and a physical quantity, and in this way it accounts for how the physical quantity is located or arranged.

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Motion (physics)

In physics, motion is a change in position of an object over time.

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Motor vehicle

A motor vehicle is a self-propelled vehicle, commonly wheeled, that does not operate on rails, such as trains or trams and used for the transportation of passengers, or passengers and property.

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N700 Series Shinkansen

The is a Japanese Shinkansen high-speed train with tilting capability developed jointly by JR Central and JR-West for use on the Tokaido and San'yō Shinkansen lines since 2007, and also operated by JR Kyushu on the Kyushu Shinkansen line.

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Newton (unit)

The newton (symbol: N) is the International System of Units (SI) derived unit of force.

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Normal force

In mechanics, the normal force F_n\ is that component of the contact force that is perpendicular to the surface that an object contacts.

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Plasticity (physics)

In physics and materials science, plasticity describes the deformation of a (solid) material undergoing non-reversible changes of shape in response to applied forces.

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In classical geometry, a radius of a circle or sphere is any of the line segments from its center to its perimeter, and in more modern usage, it is also their length.

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Regenerative brake

Regenerative braking is an energy recovery mechanism which slows a vehicle or object by converting its kinetic energy into a form which can be either used immediately or stored until needed.

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A road is a thoroughfare, route, or way on land between two places that has been paved or otherwise improved to allow travel by foot or some form of conveyance, including a motor vehicle, cart, bicycle, or horse.

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Roadway noise

Roadway noise is the collective sound energy emanating from motor vehicles.

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Rolling-element bearing

A rolling-element bearing, also known as a rolling bearing, is a bearing which carries a load by placing rolling elements (such as balls or rollers) between two bearing rings called races.

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SAE J1269

SAE J1269 is a standard test defined by the Society of Automotive Engineers to measure the rolling resistance of tires under conditions of thermal equilibrium.

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SAE J2452

SAE J2452 is a standard defined by the Society of Automotive Engineers to measure the rolling resistance of tires.

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Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

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A semi-trailer is a trailer without a front axle.

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Shell Eco-marathon

Shell Eco-marathon is a world-wide energy efficiency competition sponsored by Shell.

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Small-angle approximation

The small-angle approximation is a useful simplification of the basic trigonometric functions which is approximately true in the limit where the angle approaches zero.

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Soap Box Derby

The Soap Box Derby is a youth soapbox car racing program which has been run in the United States since 1934.

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Solar car

A solar car is a solar vehicle used for land transport.

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Steel is an alloy of iron and carbon and other elements.

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A tire (American English) or tyre (British English; see spelling differences) is a ring-shaped component that surrounds a wheel's rim to transfer a vehicle's load from the axle through the wheel to the ground and to provide traction on the surface traveled over.

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Torque, moment, or moment of force is rotational force.

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Track (rail transport)

The track on a railway or railroad, also known as the permanent way, is the structure consisting of the rails, fasteners, railroad ties (sleepers, British English) and ballast (or slab track), plus the underlying subgrade.

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Traction (engineering)

Traction, or tractive force, is the force used to generate motion between a body and a tangential surface, through the use of dry friction, though the use of shear force of the surface is also commonly used.

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Tractive force

As used in mechanical engineering, the term tractive force can either refer to the total traction a vehicle exerts on a surface, or the amount of the total traction that is parallel to the direction of motion.

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A train is a form of transport consisting of a series of connected vehicles that generally runs along a rail track to transport cargo or passengers.

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Transmission (mechanics)

A transmission is a machine in a power transmission system, which provides controlled application of the power.

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The tread of a tire or track refers to the rubber on its circumference that makes contact with the road or the ground.

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A vehicle (from vehiculum) is a machine that transports people or cargo.

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Viscoelasticity is the property of materials that exhibit both viscous and elastic characteristics when undergoing deformation.

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A wheel is a circular component that is intended to rotate on an axle bearing.

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Wheelset (rail transport)

A wheelset is the wheel - axle assembly of a railroad car.

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Redirects here:

Coefficient of Rolling Friction, Coefficient of rolling friction, Crr, Roll resistance, Rolling Coefficient, Rolling Coefficient of friction, Rolling Resistance, Rolling coefficient, Rolling friction, Rolling resistance coefficient, Vehicle resistance.


[1] https://en.wikipedia.org/wiki/Rolling_resistance

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