
In automotive engineering, drawbar pull is the amount of horizontal force available to a vehicle for accelerating or pulling a load. Drawbar pull is a function of velocity, and in general decreases as the speed of the vehicle increases (due both to increasing resistance and decreasing transmission gear ratios). Drawbar pull is the difference betwe...
Found on
http://en.wikipedia.org/wiki/Drawbar_pull

the force, measured in pounds, available to a locomotive for pulling rolling stock after overcoming its own tractive resistance.
Found on
https://www.infoplease.com/dictionary/drawbar-pull
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