巧用特殊法 妙解压强题

• 作 者: 高春生
• 出 处: 云南教育(中学教师)
• 发表日期: 2004年期
• 关键词: 极端假设法 特殊解 问题化 物理教师 化繁为简 极值法 物体大小 底面积 借用法 水平放置

有些压强题若用常规的方法解答,其分析和计算过程较为繁杂,学生往往会觉得有些难度,但若能灵活地运用一些特殊方法进行解答,则可以省去繁杂的分析、计算过程,能使某些问题化难为易,化繁为简。下面就压强题的几种特殊解法做一介绍。

Some of the questions of stress if using conventional methods to answer, the analysis and calculation process is more complicated, students tend to feel a bit difficult, but if the flexibility to use some special methods to answer, you can save the complicated analysis and calculation process, can make Some problems are difficult to make easy and complex to simple. Here are some special solutions to the pressure problem to make an introduction.