作者pianoboy (人还挺多的嘛)
看板Physics
标题[题目] 我只是看不懂题目而已><
时间Sun Nov 18 22:29:30 2007
[领域] 古典力学 (题目相关领域)
[来源] Goldstein 5.16 (课本习题、考古题、参考书...)
[题目] Three equal mass points are located at (a,0,0) (0,a,2a) (0,2a,a).
Find the principal moments of inertia about the origin and a
set of principal axes.
[瓶颈] 我不太懂什麽是 principal axes><
请大大解惑一下...
(写写自己的想法，方便大家为你解答)
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