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前言:到目前为止,还没有见到适合中学生阅读的关于万有引力定律的严格证明,本文试图运用初等数学和初步的极限知识,根据开普勒定律对万有引力定律进行推导,为中学生对万有引力定律的深刻理解打开一扇窗.一、行墨在椭圆轨道上任一点的瞬时速度大小图l为某行星绕太阳做椭
Preface: So far, we have not yet witnessed the rigorous proof of universal gravitation law suitable for reading by middle school students. This paper tries to deduce the law of universal gravitation according to Kepler ’s law by using elementary mathematics and initial limit knowledge. Understand to open a window. First, the line ink in any point on the elliptical orbit instantaneous speed size Figure l for a planet elliptical around the sun