在解决某些物理问题时,利用数学表达式和文字符号表述或者烦琐,或者计算困难,学生不易掌握。解决这类问题,如果采用学生熟悉的数学图象法可使复杂问题简单化,抽象问题直观化,培养学生分析、解决问题的能力,提高学生的解题速度,提高教学效率,是教学中的一种好方法、巧方法,下面仅举一例对比说明。 When solving some physical problems, the use of mathematical expressions and text symbols to express or cumbersome, or computational difficulties, students are not easy to grasp. To solve such problems, if the students are familiar with the mathematical image method can simplify complex issues, visualization of abstract problems, develop students 'ability to analyze and solve problems, improve students' problem-solving speed and improve teaching efficiency, is teaching A good way, clever method, the following only to give an example of contrast.