题目内容 (请给出正确答案)
提问人:网友13***556 发布时间:2022年3月13日 13:08
[单项选择题]

同一长度的压杆,截面面积及材料均相同,仅两端支承条件不同,则()杆的临界力最小。

A.两端铰支

B.一端固定,一端自由

C.一端固定,一端铰支

D.两端同定

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