It feels heavy, weighted down, a mechanical analogue to the seemingly narcotized principal characters -- played almost entirely by nonactors -- who spend a considerable amount of time staring fixedly into space.
Originally, races awarded points by a complicated system based upon final positioning and weighted by prize money purses, such that higher-paying events gave more points.
Another use of weighting is in television, where the red, green and blue components of the signal are weighted according to their perceived brightness.