【简答题】
A、求图所示梁支座的约束反力。已知F=2
mg src="https://img.ppkao.com/STUploads/2021/4/01/Images/356fbdcd6ff24dab9da85055ded3ff41.png"/>
A、求图所示梁支座的约束反力。已知F=2
mg src="https://img.ppkao.com/STUploads/2021/4/01/Images/356fbdcd6ff24dab9da85055ded3ff41.png"/>