论文部分内容阅读
摩擦力是高中力学的基础内容和重要内容,是高一学生在学习过程中的难点,而摩擦力方向既是摩擦力这一节的教学重点也是教学难点。怎样突破这个难点和重点呢?笔者经过多年的教学总结,得出一种形象地判定摩擦力方向的方法,现录于此,与各位同行交流。
Friction is the basic content and important content of high school mechanics. It is a difficult point for high school students to learn. However, the direction of friction is not only the focus of teaching but also the teaching difficulty in this section. How to break through this difficult and important? The author after years of teaching concluded, come to a kind of image to determine the direction of the friction method, is now recorded here, and colleagues exchange.