学生对刚体滚动过程中摩擦力作用的认识STUDENTS' UNDERSTANDING OF THE ROLES OF FRICTION IN THE ROLLING MOTION OF RIGID BODY
贾莹,朱广天
摘要(Abstract)：
刚体滚动是大学物理中的重点内容,学生在学习刚体滚动运动中存在诸多的困难,尤其是对摩擦力的作用认识不清。我们通过分析学生相关测试题目的结果,辅以出声访谈策略,深入了解了学生解决相关问题的思维过程。结果发现,学生会将平动中与摩擦力有关的前概念迁移到转动过程中,对摩擦力如何影响刚体滚动运动的过程、在功能转换中的作用以及摩擦力自身性质的认识均存在一些典型的迷思概念。
关键词(KeyWords)： 刚体滚动;摩擦力;力矩;前概念
基金项目(Foundation):
作者(Author): 贾莹,朱广天
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