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万有引力部分是高考的重点内容之一,近几 年对这类题目的考查的频率很高,几乎年年必考, 但年年各不相同,真可谓千变万化,但他们在解法 上有惊人的相似之处,有时求两个天体之间的距 离;有时求天体的质量或密度:有时又是求天体自 转周期,当然还可以求公转周期:还可以求在某些 天体表面上的动力学问题;下面举例说明。
The part of gravitation is one of the key contents of the college entrance examination. In recent years, the frequency of examination of such topics has been very high. It is almost necessary for examinations every year, but it varies from year to year. It can be described as ever-changing, but they have surprisingly similar solutions. At some point, sometimes the distance between two celestial bodies is sought; sometimes the quality or density of the celestial body is required: sometimes it is the period of the celestial body rotation, and of course, the revolution period can also be found: the dynamics on the surface of certain celestial bodies can also be found; The following is an example.