作者查詢 / Keelungman
作者 Keelungman 在 PTT [ tutor ] 看板的留言(推文), 共15則
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47F推:在放錢的地方留紙條, 以溫和的文字告誡他不要再犯了01/12 00:15
7F噓:找國稅局查他啦 你省力又快樂05/25 17:02
2F→:再看一次, 第二個聚合原則其實不算是定性的... :P05/19 14:42
4F→:其實這篇只是借題發揮 :P 說明力矩定義怎麼來的05/19 22:35
5F→:我發現有許多小朋友對於力矩正比於力臂這點有疑慮05/19 22:36
6F→:原po的那位同學其實也是有類似的疑慮05/19 22:37
1F→:為什麼 B 的質量要比較小?05/16 01:12
3F→:看不出來你的推論 能導出這點05/18 11:46
5F→:問題的核心 不就是要推出何以B可以比較小不是?05/19 01:01
7F→:是的 不過題目有出現哪邊質量較小? 槓桿是可不計質量的05/19 22:32
1F推:一邊施力的能量 等於另一邊抬升的能量05/15 15:34
2F→:由 作功=力量X移動距離 可以知道走越長 需要力越小05/15 15:35
3F→:如果過程中是等速的 速度就不影響能量的變化05/15 15:36
9F→:真的該去看醫生, 長久下來會出現嚴重的問題05/12 01:56
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