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在高中“物理”必修2教材第6章“万有引力与航天”中,学生第1次接触到行星运动、宇宙航行等问题,这些问题看似和我们的生活很遥远,实际上与人类的生产、生活密不可分.不少学生在学习这部分内容时往往停留在表面现象、定性规律、关键参数这一层面.在本文中,将探讨如何应用动力学规律把平抛运动、圆周运动以及宇宙航行等问题统一起来,让学生体验探寻表象,找出规律,理论提升这一学习过程.
In High School Physics Compulsory 2, Chapter 6, “Gravitation and Aerospace ”, students encounter for the first time planetary movement, astronautics and other issues that seem to be very far away from our lives. In fact, Human production and life are inseparable.Many students often stay in the study of this part of the surface phenomena, qualitative laws, the key parameters of this level.In this paper, we will explore how to apply the laws of dynamics to throw throwing motion, circular motion As well as the issue of astronautics and other issues unified, so that students experience to explore the appearance, find out the law, the theory to enhance the learning process.