万有引力定律是物理学中的重要定律之一,它在航天科学上的应用是学习中的一个难点,学生在学习时,往往感到似懂非懂,理解不透,现就相关问题作一些探讨。 The law of universal gravitation is one of the important laws in physics. Its application in aerospace science is a difficult point in learning. When students are learning, they often feel like they are ignorant and understanding, and they are now discussing some related issues.