【摘要】 从运动学和力学的角度比较详细的讨论了牛顿三定律各自的含义、研究对象和范围以及在物理学中所起的作用和联系，说明它们既有相互独立的一面又有体系内的一致性、完整性和相容性，得出了牛顿三定律既是独立的又是相容的的结论。更多还原

【Abstract】 From the angle of mechanics, this article discusses its meaning, object and range, and the physical function of Newton’s three laws respectively, explains that they have the aspect of independence, and they are integrated and concordant in the system, and draws a conclusion that Newton’s three laws are not only independent but also compatible.更多还原