“牛顿第三定律”这一节中,为了显示、体会和感受力的作用相互性及得出“作用力和反作用力”的概念。人教版必修1有这样一个实验:“在水面上放两个软木塞,一个软木塞上放一个小磁铁,另一个软木塞上放一个小铁条,可以看到,由于小磁铁和小铁条相互吸引,两个软木塞相向运动起来.”司南版普通高中课程标准实验教科书物理1(必修)第114面“迷你实验室”中有这样一个实验:“把两根条形磁铁放在尽可能光滑的台面上,让它们彼此接近但不直接接触,用两手分别按住它们以 In the section ”Newton’s Third Law,“ the concept of ”action and counterforce“ is used to show the mutual effect of experience and sensation. PEP Mandatory 1 has such an experiment: ”put two corks on the water, put a small magnet on one cork, and put a small iron bar on the other cork. You can see that due to the small magnet and the small The iron bars attract each other and the two corks are moving towards each other. “Sinan Normal High School Course Standards Experiment Textbook Physics 1 (required) No. 114 side ”Mini Lab“ has such an experiment: ”Two bars Place the magnets on a table that is as smooth as possible so that they are close to each other but not in direct contact. Hold them with both hands