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作者在教学过程中发现学生对圆周运动中的临界问题无从下手,找不到切入点,就此方面内容做如下总结,希望对大家能有所启发,这类问题对物理过程的分析必须十分透彻,解决问题的关键在于把握临界状态下物体的受力特征和运动特征。竖直平面内的圆周运动教材分析比较详细,各位老师分析得也很全面,本文主要就水平面内的圆周运动进行讨论。
In the process of teaching, the author found that students can not start with the critical problems in circular motion and can not find entry points. Therefore, the content of this article should be summarized as follows, hoping to inspire everyone. The analysis of such problems must be very thorough on the physical process, The key to solving the problem lies in grasping the force characteristics and the movement characteristics of objects in the critical state. The vertical plane of the circular motion textbook analysis in more detail, the teacher analysis is also very comprehensive, this paper mainly on the horizontal plane of the circular motion are discussed.