送交者: cornbug 于 2005-5-04, 17:42:28:

• 不是同一惯性参照系下的力不能比较. - fagus (0 bytes) 2005-5-05, 05:47:01
  • "惯性"参照系? - wasguru (77 bytes) 2005-5-05, 16:13:48
  • showing off your ability to BS? You don't have to, everyone - steven (20 bytes) 2005-5-05, 13:24:12
• isn't that a question of high school physics? - steven (22 bytes) 2005-5-04, 17:46:27
  • 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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