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
举一反三
- 图示两结构中MA相等，EI均为常数。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f9f5a46d9aae4baea931a1acef7083ea.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" />
- 图示结构用力矩分配法计算时，结点 A 的不平衡力矩（约束力矩） 为：( )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/8428724eedad4484a1092ab42b1264eb.png
- 图示刚架可利用力矩分配法求解。（ ）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f0911f7b5a6c428eb373fe778d67b665.jpg
- 图示各结构可直接用力矩分配法计算的为：（）http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/0e6cd1afb74f47ab9a0c61bad10d9169.jpg