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高中生在物理学习阶段,会发现力学是其中相当关键的一环。而在该章节中,支持力与滑动摩擦力的合力方向分析又是一大知识重点。在学习过程中,学生可能感到有一定难度,因此需要多加练习,找到其中的规律。本文分析了决定摩擦力与支持力合力方向的因素,并通过例题研究了支持力对滑动摩擦力方向产生的影响,希望能为高中生提供启发。
High school students in the physical learning stage, will find that mechanics is a very crucial part. In this chapter, the analysis of the resultant force and the sliding friction together direction is also a major focus of knowledge. In the learning process, students may feel a certain degree of difficulty, so need to practice more to find one of the laws. This paper analyzes the factors that determine the direction of the resultant force of friction and support force, and studies the influence of support force on the direction of the sliding friction through examples, hoping to provide inspiration for high school students.