理论力学教学中一个值得关注的细节
A noteworthy detail in theoretical mechanics course teaching
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摘要: 通过对理论力学课程中2个问题的典型错解和一个典型例题的分析和讨论,指出在理论力学教学中区分矢量的模和矢量的坐标投影的重要性.Abstract: This work discusses the importance of distinguishing coordinate projection from magnitude of vectors in teaching,based on the analysis of three typical problems in theoretical mechanics course.