图示桁架，若把作用于上弦结点C的荷载P移至下弦结点E，则只影响杆CE的内力。
举一反三
- 图示桁架，若把作用于上弦结点C的荷载P移至下弦结点E，则只影响杆CE的内力。[img=374x178]17d60a778335e82.png[/img]
- 图示刚架的弯矩图中正确的是（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/96bab3bc877f45e6bc366a1ed24b02e3.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/233d0c9147694598ab60919b0ee7a246.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/f8e911921bb447bdb2e8216ff1bca5cf.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/5c0b8a15b9174de3b636c8ea8a2eb281.png" />
- 图示刚架的弯矩图中正确的是（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9e0e3376473a4da185371f58ac37647e.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/860e38197af74aec8db44a11df45c324.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/6ef75cc1379348698b95f277eda55fdd.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/bc248bb6f0cd424eae6b1e66aeb87da6.png" />
- 设EI为常数，图示刚架支座C点的水平位移为（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/2dea6754bc2a40df98d40ddc4d88e4ee.png"/> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/876c3a939abd447fae12277cbbdf2885.png"/> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9452dbf33f1b42bab8d279978b5294d8.png"/> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/c86de891367447249efb95cf363ee7cf.png"/> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/ba048b2d5eb149fbbe5a7b419903ef5b.png"/>
- 下列极限中结果等于e的是（ ）. A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/38da1b07f5c0405ea6707c9e6594b6a5.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/eb7113c864f6405080daa91020fb9b6c.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/4513ad5298554e2eb426e127192851d8.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201910/9f89daefa1f445e295834ce3daac84cf.png">