梁ABC的弯矩如图所示,根据梁的弯矩图,若该梁为悬臂梁,可以断定该梁B点处()。
考试:=$ecms_gr[fenlei]?>
科目:=$ecms_gr[kemu]?>(在线考试)
问题:
A:无外载荷
B:只有集中力偶
C:只有集中力
D:有集中力和集中力偶
答案:
解析:
若此题未说明梁的类型,有两种可能(见解图),简支梁时答案为B,悬臂梁时答案为D。题干中说明该梁悬臂梁,则答案为D。
相关标签:
热门排序
推荐文章
SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,titlepic,newstime,fenlei,fenlei_id,kemu,kemu_id,tixing,nandu,zj,zj_id,paper_id,questions from ***_ecms_tiku where (classid='34') and ispic=1 order by rand() DESC limit 1SQL Error: select id,classid,ttid,onclick,plnum,totaldown,newspath,filename,userid,username,firsttitle,isgood,ispic,istop,isqf,ismember,isurl,truetime,lastdotime,havehtml,groupid,userfen,titlefont,titleurl,stb,fstb,restb,keyboard,eckuid,title,titlepic,newstime,fenlei,fenlei_id,kemu,kemu_id,tixing,nandu,zj,zj_id,paper_id,questions from ***_ecms_tiku where (classid='34') and ispic=1 order by rand() DESC limit 10