万有引力定律的发现是 17世纪自然科学伟大的成果之一 ,它统一了地面上物体运动的规律与天体运动的规律 ,第一次揭示了自然界的基本相互作用之一——引力相互作用的基本规律 ,对物理学和天文学的发展产生了深远的影响 .一、万有引力定律及适用条件1.万有引力定律自然界任何物体 The discovery of the law of universal gravitation is one of the great achievements of the 17th century’s natural sciences. It unified the laws of movement of objects on the ground and the laws of celestial movements. It revealed for the first time one of the basic interactions in the natural world - the basic law of gravitational interactions. , has had a far-reaching influence on the development of physics and astronomy. First, the law of universal gravitation and applicable conditions 1. The Law of Gravity Any object in nature