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问题 选择题

已知万有引力恒量为G，根据下列哪几组数据不可以计算出地球的质量

A．地球绕太阳运行的周期和地球离太阳中心的距离

B．人造地球卫星运行的线速度和距离地心的距离

C．月球绕地球运行的周期和月球到地球中心的距离

D．地球表面的重力加速度和地球半径

答案

答案：A

由可知，只能计算中心天体的质量，A错C对；，B对；由黄金代换式，D对；

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