一个典型力学问题的进一步讨论

A Further Discussion on mechanics

本文对文献［１］中的一道例题进行了较为全面、深入地讨论，对原题中的某些限定条件做了分析，进一步弄清了题中各量之间的关系，扩展了原题的解法和结果。

We here make a conprehehi and thorough discussion on an example in Docu-ment[1], and analyze some limit condition in the problem, and get a clean pictune, about therelationship mong the doffereat measures, and etlehep the result and the method of soluingthe original problem