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运用学生身边熟悉的事物(黑板)为引导,分析讨论摩擦力有关问题.使学生感觉到物理就在我们身边,培养学生动手做实验的能力.
Use the familiar things (blackboards) around the students as a guide to analyze and discuss friction related issues. Make students feel that physics is on our side and cultivate students’ ability to do experiments.