curve resistance

curve resistance

[′kərv ri′zis·təns]
(mechanics)
The force opposing the motion of a railway train along a track due to track curvature.
References in periodicals archive ?
Forces acting on the coupler are extremely complex and include train resistance (friction, air), grade resistance (lifting the weight in an ascending grade) and curve resistance (friction between the wheel flange and rail on curves) as well as the trailing tons represented by the other cars.