物体受力分析是力学的基础内容,也是高考重点考查的内容.正确分析物体的受力情况,是研究力学问题的关键,是学生学习物理必须掌握的基本功.但在教学中,笔者发现不少学生在进行受力分析时,经常会出现各种错误.究其原因,应是受生活经验、思维习惯等干扰因素的影响.下面笔者通过典型范例阐述几种受力分析中的干扰因素及应对策略,以飨读者. Object stress analysis is the basic content of mechanics, but also the contents of the key examinations of the college entrance examination.A correct analysis of the force of the object is the key to the study of mechanics, and the basic skills students must master.However, in teaching, I found a lot of Students often carry out stress analysis, the errors often occur.The reason should be influenced by life experience, thinking habits and other disturbing factors.After the author through the typical examples of several stress analysis of interference and coping Strategy to readers.