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“动能定理”是高中物理中一个重要的知识点,是学习的重点,也是高考的热点。应用动能定理可以将复杂的问题简单化,同时动能定理能够被广泛地应用于变力做功、曲线运动、多过程问题等很多问题的解决之中,因此,学好动能定理能够帮助学生提高物理成绩。本文通过自己学习的经验,对动能定理的内容进行了分析,并对应用动能定理解题的步骤、注意事项以及一些应用技巧进行了介绍。
“Theorem of kinetic energy” is an important knowledge point in high school physics, it is the key of study, it is also the hot spot of college entrance examination. The application of the kinetic energy theorem can simplify the complex problems. At the same time, the kinetic energy theorem can be widely used to solve many problems such as variable force work, curve motion, and multi-process problems. Therefore, learning the kinetic energy theorem can help students improve their physical performance. This paper analyzes the content of the kinetic energy theorem through its own learning experience, and introduces the steps, precautions, and some application techniques for applying the kinetic energy to determine the understanding.