送交者: chouqilozi 于 2007-09-28, 08:59:46:

回答: ma=m'g, MA=M'G; a=A from observation, g=G because same 由 chouqilozi 于 2007-09-28, 08:58:49:

• 谢谢.伽利略思想实验应该是假定了等价,但等价 remains as puzzling as ever(wiki) (无内容) - 短江学者 (0 bytes) 2007-09-28, 10:32:36 (173573)
  • 不然可用捆绑法说任何场中两物体都一样快。老伽恐怕先做了实验 (无内容) - 短江学者 (0 bytes) 2007-09-28, 11:16:35 (173589)
    • yes, that only proves m/m'=M/M', not enough to show m=m'. (无内容) - chouqilozi (0 bytes) 2007-09-28, 11:42:25 (173596)
      • if m/m'=M/M' all the time, it means m=m' exactly - 008 (72 bytes) 2007-09-28, 12:05:24 (173614)
        • true. 好像一定要先做真的实验得到a=A才走得通。直到老爱理论。 (无内容) - 短江学者 (0 bytes) 2007-09-28, 12:23:41 (173631)
      • 就不知道中土古贤是否有能力想着这么深这么细，还是“神经线短连不起来”：） (无内容) - 短江学者 (0 bytes) 2007-09-28, 11:46:45 (173598)
        • it is so damn hard to ponder on fundamentals, it is - chouqilozi (35 bytes) 2007-09-28, 11:52:22 (173603)
          • really well said. I will remember this. (无内容) - 短江学者 (0 bytes) 2007-09-28, 11:56:51 (173608)

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