送交者: steven 于 2005-5-04, 17:46:27:

回答: 当卫星绕地球飞行，离心力和重心引力那个大？ 由 cornbug 于 2005-5-04, 17:42:28:

btw, what is 重心引力?

• 下了高中就没有看过物理，不知道卫星受到的离心力是否新发现 - qtl (30 bytes) 2005-5-04, 21:39:46
  • 力者,加速度也.换个惯性参照系就行了. - fagus (0 bytes) 2005-5-05, 05:45:18
    • 你比牛顿爱因斯坦都伟大，换个惯性参照系就能换出离心力来。 - wasguru (0 bytes) 2005-5-05, 16:21:16
• You are right about this, - cornbug (127 bytes) 2005-5-04, 17:52:48
  • centrifugal force is the reaction of centripetal force. - steven (22 bytes) 2005-5-04, 17:54:44
    • Don't agree. My impression is that centrifugal force - cornbug (44 bytes) 2005-5-04, 17:58:17
      • by Newton's third law, - steven (804 bytes) 2005-5-04, 18:21:54
        • Thank you. Lets make it clear. - cornbug (165 bytes) 2005-5-04, 18:28:47
          • no, only centripetal force acts on satellites. - steven (795 bytes) 2005-5-04, 19:16:18
            • It gets interesting. I appreciate your insights. - cornbug (670 bytes) 2005-5-04, 19:43:57
              • e = 1 means a paraboliic trajectory, theorectically, - steven (205 bytes) 2005-5-04, 19:50:38
                • Thank you again. Can I ask you something about gyroscope? - cornbug (39 bytes) 2005-5-04, 19:55:45
                  • sorry, too busy for now. later. - steven (0 bytes) 2005-5-04, 19:56:39

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