图示两结构中MA相等,EI均为常数。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f9f5a46d9aae4baea931a1acef7083ea.jpg
举一反三
- 图示结构EI=常数,用位移法求解时有一个基本未知量。( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/11af4ef45f0a4d318675577be56ce35c.jpg
- 图示结构结点A的约束力矩MA等于( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/72cf8932ca0c4b63895b2a18db7692e1.jpg
- 图示结构各杆EI为常数,其结点位移基本未知量为_______.http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/70a258d18e604274984e72c918f8663b.jpg
- 若x2+y2=1,则dy为( ) A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/d045b5f235a54083ab91e6f717cf00d8.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/74173c5355234874ab8cb9275865d5d6.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/bbfb37ba58fc4de0aa8688e0bb53cef5.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f9a206c25e8c4ea1bd7b51519afd76b7.png" />
- 图示结构位移法基本方程的系数k11= __________EI/l 。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/10ed0ec0d2db495ca28f5c24219d52be.jpg