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初中物理判断物体的运动状态或分析物体的受力情况是考试的一个热点,也是学生的一个难点。如何突破难点解好有关问题,理解好“力和物体运动状态的关系”很关键!
The junior middle school physics judges the movement state of the object or analyzes the force situation of the object is a hot spot of the examination, it is also a difficult point of the student. How to break through difficulties to solve related problems and understand the relationship between “force and object movement state” is critical!