Fw: [問題] 重力所形成的向量場、重力場所形成的向量場
※ [本文轉錄自 Physics 看板 #1HSuNQXT ]
作者: alfadick (悟道修行者) 看板: Physics
標題: [問題] 重力所形成的向量場
時間: Sun Apr 21 14:23:19 2013
重力, F = G M m /r^2 是個向量, 此向量所形成的向量場(vector field)英文名稱為何?
gravitational field 嗎?
重力場 G M/r^2 也是個向量, 此向量所形成的向量場(vector field)英文名稱為何?
gravitational field field 嗎?
讀原文書時覺得怪怪的...
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※ 編輯: alfadick 來自: 114.25.5.250 (04/21 14:24)
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懂你意思,
那如果故意想成把質量M的東西固定, 把m隨便擺
擺到哪裡, 就標出它的受力向量,
這樣也可以說是個vector field嗎?
(雖然物理學上習慣不定義這種東西 GMm/r^2 的受力場?)
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※ 發信站: 批踢踢實業坊(ptt.cc)
※ 轉錄者: alfadick (114.25.5.250), 時間: 04/22/2013 13:07:44
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