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...tive to the weight of the train, excluding problems that may occur such as wheels locking and sliding under braking.{{cn|date=November 2020}} ...the unit. In this case additional braking vehicles may be attached or the train may need to run at reduced speed.{{cn|date=November 2020}} ...

...[railway]] design that relates the downward force exerted by a [[train]]'s wheels upon the rail, with the lateral force of the wheel's flange against the fac [[Category:Train wheels]] ...

...iving wheels and supporting surface, and the weight applied to the driving wheels ({{math|''mg''}}). The [[product (mathematics)|product]] of {{mvar|μ}} and ...l. This figure is important on railways because it determines the maximum train weight that a locomotive can set into motion. ...

===Steam train=== * Mannheim on Wheels. Mobility from 1607 to 2007 (2007/08) ...

...'' that [[Motion control|control movement]] in various ways such as [[gear train]]s, [[belt (mechanical)|belt]] or [[chain drive]]s, [[Linkage (mechanical)| ...plain bearings) or they may be discrete parts in and of themselves such as wheels, axles, pulleys, [[rolling-element bearing]]s, or gears. All of the [[simpl ...

...{{cite web|url=http://metrotrainsimulation.com/definition.html|title=Metro Train Simulation|last=Abhishek|website=metrotrainsimulation.com|access-date=20 Ap ...s the usable force for traction divided by the weight on the running gear (wheels, tracks etc.)<ref>{{cite book|title=Construction Management Fundamentals|fi ...

...ident Report NTSB/RAR-16/02, PB2016-103218: Derailment of Amtrak Passenger Train 188, Philadelphia, Pennsylvania, May 12, 2015], National Transportation Saf ...wer|brake horsepower]]). However, it is the power a car can produce at the wheels ([[Horsepower#Wheel horsepower|wheel horsepower]] or whp) that matters when ...

* [[Gear]]s and [[gear train]]s; ...e suspensions to prevent side-to-side movement of the body relative to the wheels. ...

...nt pulled by one or more horses. These vehicles typically have two or four wheels and were used to carry passengers or a load. They were once common worldwid File:Driving Competion (3716743220).jpg|'''Cart''' - Two wheels, one horse ...

...[[aerodynamic drag]] plus [[traction (engineering)|traction force]] on the wheels, and the [[velocity]] of the vehicle. The output power of a [[Engine|motor] [[File:peak-power-average-power-tau-T.png|thumb|right|In a train of identical pulses, the instantaneous power is a periodic function of time ...

...and cooling fan. There is also a starter motor connected through the gear train to perform the starting function of the APU. Some APU designs use a combina ...l surfaces]]. During landing, they moved the control surfaces, lowered the wheels, and powered the [[brake]]s and nose-wheel steering. Landing could be accom ...

...or "banking". The excessive drive force applied to the watch movement gear train can make the [[balance wheel]] rotate with excessive amplitude, causing the ...m, rotating on carbon rollers whenever the watch moves. A system of clutch wheels captures power. No rotor means thinner watches and an ultradense weight swi ...

...convenient use. Examples include: a wide range of [[vehicle]]s, such as [[train]]s, [[Car|automobiles]], [[boat]]s and [[airplane]]s; [[Home appliance|appl |title = Wheels, clocks, and rockets: a history of technology ...

...delivered by the power train of a vehicle directly from the drive wheel or wheels without removing the engine from the frame of the vehicle), is known as a ' ...

...] along the Earth's [[rotation around a fixed axis|axis of rotation]]; the train is denoted by a few red pixels, fixed at the left side in the leftmost pict [[File:Earth and train 2FPS.gif|center|Earth and train]] ...

* Electric [[high-speed rail|high speed train]], [[N700 Series Shinkansen]] of [[JR Central]] on the [[San'yo Shinkansen] ...ne]]-powered [[mass transit]] vehicles like [[electric locomotive|electric train]]s, [[tram]]s, [[monorail]]s and [[trolley bus]]es, as well as various smal ...

...the trains, requiring custom-made trains in order to minimize gaps between train and platform. They are typically integrated with other public transport and {{Train topics}} ...

...he ground upon the wheels, in this case, from the [[friction]] between the wheels and the road.<ref>The force in this example is known as ''[[ground reaction ...e outside of the car). The centrifugal force balances the friction between wheels and the road, making the car stationary in this non-inertial frame. ...

|210 at 350km/h<ref>{{Cite web |title=China's latest high-speed train consumes only 3.8 KWh per 100 passenger-km - People's Daily Online |url=htt ...ef name=":4">{{cite magazine|url=https://www.wired.com/autopia/2009/02/hot-wheels-mi/|title=MIT Unveils 90 MPH Solar Race Car|magazine=Wired|date=27 February ...

...lained by the high [[Friction|friction force]] exercised by medieval tread-wheels which normally prevented the wheel from accelerating beyond control.<ref na ...ide tracks spread the weight out over a great area and are far better than wheels at traversing soft ground without sinking in. A crawler crane is also capab ...