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本讲是从力在空间上的积累效果与力在时间上的积累效果两个角度来研究物质运动状态变化的规律．是高中物理重点内容，因此在高考第二轮复习时，应该针对学生在第一轮复习过程中遗留的问题，着重做好以下几项工作．一、深入理解几个重要概念本讲研究的概念较多，有功、功率、动
This lecture is to study the law of the change of the state of matter motion from two perspectives: the force accumulation effect in space and the force accumulation effect in time. Is a high school physics key content, so in the second round of college entrance examination review, students should focus on the issues left over from the first round of review process, focus on doing the following work. I. In-depth understanding of several important concepts There are many concepts in this lecture, active, power, and dynamic.