AB杆变形如图中虚线所示，则A端的杆端弯矩为：http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/c51ef3ea230b4d1fa0b181c879b0de72.png
举一反三
- 杆AB的变形如图中虚线所示,则A端的杆端弯矩为( )。【图片】
- 图示结构C截面弯矩为<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/4f75b4fba9ff4be1b04a5e100c86c65e.png" /> A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/145877d7a442497f9fe1266fa394ba2e.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/1b6f8295e7bc44b0b8a2bee20e062fc4.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/18776e34a7504dfcbe40fbdf73958b14.png" /> D: 0
- 图示结构 AB 杆的内力为零。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/bf5c3bb145c44afda431de3540f917cf.png
- 在下图中，螺纹连接画法正确的是（ ）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/388e6231e1fb4ef09858a435d5076944.jpg" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/5c2ff529f94044ffaf8ccbc591499df6.jpg" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/578fcb9927c044a4b982bf3e7e7616a3.jpg" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/bb9122c2834242f4afba03761d066fb8.jpg" />
- 图示桁架1杆的轴力为零。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201906/163a758d5d0c46e78393266a6a4dafc9.png