如图所示外伸梁AC,C端作用一集中力偶Mc=10kN.m。已知P =10kN,q=10kN/m,梁的自重不计,那么支座<img width="24" height="26" src="https://www.icve.com.cn/common/js/ueditor/themes/default/images/spacer.gif" word_img="file:///C:\Users\yjl00\AppData\Local\Temp\ksohtml13768\wps1.png" style="background:url(https://www.icve.com.cn/common/js/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd"/>的竖向反力为( )。<img src="https://file.icve.com.cn/file_doc_public/263/99/41D18C3BAAAD1A8C2C67446673594A03.png" title="图片3.png" alt="图片3.png"/>