很多学生感到物理难学,主要难在运用物理知识解决问题上,常常是“一听就懂,一看就会,一做就错”．即听老师讲课听得懂,看书上的例题看得会,但当独立解答问题时,就错误百出,甚至束手无策．仔细分析以上现象,可以看出:大部分学生在解题过程中存在学习障碍,因此,作为教师应当在教学过程中注意帮助学生克服障碍,提高学习效率．现列举学生常常出现 Many students feel that it is difficult to learn physics, and it is difficult to use physical knowledge to solve problems. Often, it is “reading at a glance, seeing it, and doing it right”. That is to say, listening to the lectures of the teacher can be understood, reading the examples on the books can be seen, but when answering the questions independently, they are full of mistakes and even helplessness. After careful analysis of the above phenomena, it can be seen that most students have learning disabilities in the process of solving problems. Therefore, teachers should pay attention to help students overcome obstacles and improve learning efficiency during the teaching process. Now enumerating students often appear