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静摩擦力是高考考查的热点,也是学生的易错问题之一。如何摆脱题海战术,达到举一反三的目的?教学中应该结合学生的认知情况,由浅入深,循序渐进,并注重渗透力学中的物理方法。例如:整体法、隔离法、正交分解法等。同时结合牛顿第二定律综合运用各种方法,对于融会贯通、深化知识点,培养分析解决问题的能力,起到事半功倍的效果。
Static friction is a hot spot for college entrance examinations, and it is also one of the students’ mistakes. How to get rid of the sea tactics, to achieve the purpose of inferring lessons from others? Teaching should be combined with the students’ cognition, from shallow to deep, step by step, and pay attention to the physical methods in the permeability mechanics. For example: holistic method, isolation method, orthogonal decomposition method, etc. At the same time, combining Newton’s second law with a variety of methods, it has the effect of getting more results with less effort.