成考院校在线答案
- 2022-09-12 [多选] <p class="MsoNormal">15、<span style="font-family:宋体">以下有关刚体的四种说法，正确的是（</span><span lang="EN-US"> </span><span style="font-family:宋体">）。</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">16、 <span style="font-family:Microsoft Yahei;">一等直杆，</span><span>AB</span><span style="font-family:Microsoft Yahei;">段和</span><span>BC</span><span style="font-family:Microsoft Yahei;">段分别为钢和铸铁，在图（</span><span> </span><span style="font-family:Microsoft Yahei;">）所示的受力状态下，杆件最容易发生破坏。</span> </p><p class="MsoNormal"> <span style="font-size:12pt;"> </span> </p>
- 2022-09-12 [多选] <p class="MsoNormal">21、<span style="font-family:宋体">一跨度为</span><i><span lang="DE">l</span></i><span style="font-family:宋体">的简支梁，若仅承受一个集中力偶</span><span lang="EN-US">M</span><span style="font-family:宋体">，当</span><span lang="EN-US">M</span><span style="font-family:宋体">在梁上任意位置移动时，梁内产生的最大剪力</span><span lang="DE"><span style="position:relative;top:6.0pt"><img width="33" height="24" id="对象 31" src="http://wljy.whut.edu.cn//uploadfiles/word/gclx001.files/image031.png"></span></span><span style="font-family:宋体">和最大弯矩</span><span lang="DE"><span style="position:relative;top:6.0pt"><img width="37" height="24" id="对象 32" src="http://wljy.whut.edu.cn//uploadfiles/word/gclx001.files/image032.png"></span></span><span style="font-family:宋体">分别满足（</span><span lang="EN-US"> </span><span style="font-family:宋体">）</span> <span style="font-family:宋体">。</span></p>
- 2022-09-12 [多选] <p class="MsoNormal">18、 <span style="font-family:Microsoft Yahei;">图示单元体的应力状态，（</span><span> </span><span style="font-family:Microsoft Yahei;">）。<img src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191203/20191203164243_149.png" alt=""></span></p><p class="MsoNormal"> <span style="font-size:12.0pt;"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">37、<span style="font-family:宋体">在下列关于梁转角的说法中，（</span><span lang="EN-US"> </span><span style="font-family:宋体">）是错误的。</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">1、<span style="font-family:宋体">在单元体上，可以认为（</span><span lang="EN-US"> </span><span style="font-family:宋体">）</span> <span style="font-family:宋体">。</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">22、<span style="font-family:宋体">低碳钢试件扭转破坏是</span> <span style="font-family:宋体">（</span><span lang="EN-US"> </span><span style="font-family:宋体">）。</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">35、<span style="font-family:宋体">根据力的平移定理可知，可以把作用在刚体上点</span><span lang="EN-US">A</span><span style="font-family:宋体">的力平行移到任一点</span><span lang="EN-US">B</span><span style="font-family:宋体">，但必须同时附加一个力偶。这个附加力偶的矩等于（</span><span lang="EN-US"> </span><span style="font-family:宋体">）</span></p> <p class="MsoNormal"><span lang="EN-US" style="font-size:12.0pt"> </span></p>
- 2022-09-12 [多选] <p class="MsoNormal">23、 <span style="font-family:Microsoft Yahei;">如图所示，一力</span><b><i><span>F</span></i></b><span style="font-family:Microsoft Yahei;">作用于</span><span>A</span><span style="font-family:Microsoft Yahei;">点，则该力对</span><span>O</span><span style="font-family:Microsoft Yahei;">点的矩为（</span><span> </span><span style="font-family:Microsoft Yahei;">）。<img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205153551_265.png"></span></p><p class="MsoNormal"> <span style="font-size:12pt;"> </span> </p>
- 2022-09-12 [多选] <p class="MsoNormal">24、 <span style="font-family:Microsoft Yahei;">半径为</span><span>R</span><span style="font-family:Microsoft Yahei;">的圆轴，截面的抗扭刚度为（</span><span> </span><span style="font-family:Microsoft Yahei;">）。</span> </p><p class="MsoNormal"> <span style="font-size:12pt;"> </span> </p>