轴向受拉压杆横截面积为A,受荷载如图所示,则m-m截面上的正应力为:
考试:军队文职人员招聘
科目:物理 (军队文职)(在线考试)
问题:
![](/timu/file/13986725_0.jpg)
![](/timu/file/13986725_0_1.jpg)
![](/timu/file/13986725_0_2.jpg)
A:A
B:B
C:C
D:D
答案:
解析:
相关标签:
轴向受拉压杆横截面积为A,受荷载如图所示,则m-m截面上的正应力为:
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