in this paper, the generating principle of the tractive force and the brake power as well as their relationship to the adhesive force are analysed based on the mechanics theory.

• 本文根据力学原理分析了牵引力和制动力产生的机理，以及两者与粘着力的关系，得出牵引力和制动力的相同与不同之处，并提出应试验研究“计算最大制动力的粘着系数计算公式”