成考院校在线答案
- 2023-02-12 [单选] <p class="MsoNormal">40、<span style="font-family:宋体">刚体做定轴转动时，刚体上点的切向加速度为</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>
- 2023-02-12 [单选] <p class="MsoNormal">1、 <span style="font-family:Microsoft Yahei;">图示机构，构件的重量和摩擦力忽略不计，试确定主动力</span><b><i><span>F</span></i></b><span style="font-family:Microsoft Yahei;">（垂直于</span><i><span>AB</span></i><span style="font-family:Microsoft Yahei;">）和主动力矩</span><b><i><span>M</span></i></b><span style="font-family:Microsoft Yahei;">的关系。<img alt="" src="http://wljy.whut.edu.cn:80/uploadfiles/kindeditorAttached/image/20191205/20191205091612_818.png"></span></p><p class="MsoNormal"> <span> </span> </p>
- 2023-02-12 [单选] <p class="MsoNormal">3、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">作用在刚体上的二力平衡条件是（</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span></span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）</span></p>
- 2023-02-12 [单选] <p class="MsoNormal">4、<span style="font-family:宋体">空间力偶矩是</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>
- 2023-02-12 [单选] <p class="MsoNormal">5、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">固定铰支座约束反力（</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span></span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）。</span></p>
- 2023-02-12 [单选] <p class="MsoNormal">7、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">全约束反力与法线间的夹角的最大值称为（</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span></span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）。</span></p>
- 2023-02-12 [单选] <p class="MsoNormal">9、<span style="font-family:宋体">若作用在点</span><i><span lang="EN-US">A</span></i><span style="font-family:宋体">的两个大小不等的力</span><b><i><span lang="EN-US">F</span></i></b><sub><span lang="EN-US">1</span></sub><span style="font-family:宋体">和</span><b><i><span lang="EN-US">F</span></i></b><sub><span lang="EN-US">2</span></sub><span style="font-family:宋体">沿同一直线但方向相反，如附图</span><span lang="EN-US">4.1</span><span style="font-family:宋体">所示，则其合力可以表示为</span><span lang="EN-US">( )</span><span style="font-family:宋体">。</span></p> <p class="MsoNormal"><span lang="EN-US"><img width="127" height="26" id="图片 16" src="http://wljy.whut.edu.cn//uploadfiles/word/lllx001.files/image012.jpg"></span></p>
- 2023-02-12 [单选] <p class="MsoNormal">10、<span style="font-family:宋体">如下图所示，正方体仅受两个力偶作用，该两力偶矩矢等值、反向，即</span><b><i><span lang="EN-US">M</span></i></b><sub><span lang="EN-US">1</span></sub><span lang="EN-US"> = <b><i>M</i></b><sub>2</sub></span><span style="font-family: 宋体">，但二者不共线，则正方体</span><span lang="EN-US">( )</span><span style="font-family:宋体">。</span></p> <p class="MsoNormal"><span lang="EN-US"><img width="121" height="122" id="图片 1" src="http://wljy.whut.edu.cn//uploadfiles/word/lllx001.files/image001.jpg"></span></p>
- 2023-02-12 [单选] <p class="MsoNormal">11、 <span style="font-family:Microsoft Yahei;">空间力偶矩是</span><span>( )</span><span style="font-family:Microsoft Yahei;">。</span></p><p class="MsoNormal"> <span style="font-size:12.0pt;"> </span></p>
- 2023-02-12 [单选] <p class="MsoNormal">12、<span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">理论力学的三部分内容中（</span><span lang="EN-US"><span style="mso-spacerun:yes"> </span></span><span style="font-family:Microsoft Yahei;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">）涉及研究机械运动的时空特性。</span></p>