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力和运动的关系、功和能的关系是中学物理知识体系组成的两大基础,尤其力和运动的关系几乎贯穿了中学物理力学部分和电磁学部分的所有章节,属于《高考大纲》要求学生掌握的主干知识.但由于其内涵丰富,覆盖面广,形式多样,又往往成为理解和应用的难点.现结合初、高中新教材对这部
The relationship between force and sports, and the relationship between work and energy are the two foundations of the middle school physics knowledge system. In particular, the relationship between force and sports almost runs through all chapters of the middle school physics and mechanics and electromagnetism. It belongs to the Outline of the College Entrance Examination and requires students to Master the main knowledge. However, because of its rich connotation, wide coverage, and various forms, it often becomes a difficult point for understanding and application. This is combined with the new textbook for junior high schools and high schools.