問題詳情
48.下列敘述何者錯誤？
(A)重心位置可以利用力矩原理求得
(B)重心的位置一定在物體的對稱軸上
(C)半徑為 r 的半圓弧線重心，距離圓心 2r/π
(D)若物體在均勻重力場時，質心與重心共點
(A)重心位置可以利用力矩原理求得
(B)重心的位置一定在物體的對稱軸上
(C)半徑為 r 的半圓弧線重心，距離圓心 2r/π
(D)若物體在均勻重力場時，質心與重心共點
參考答案
答案：B
難度：簡單0.8
書單：沒有書單，新增
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