A.0kN·m
B.2kN·m
C.4kN·m
D.6kN·m
A.0kN·m
B.2kN·m
C.4kN·m
D.6kN·m
A.MA=-160kN·m,QA=8OkN
B.MA=-150kN·m,QA=60kN
C.MA=-180kN·m,QA=40kN
D.MA=180kN·m,QA=40kN
A.160kN·m
B.-120kN·m
C.-240kN·m
D.-160kN·m
A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392417235.jpeg">
B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392467342.jpeg">
C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392541136.jpeg">
D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392607696.jpeg">
A.RA=30kN(↑)、RB=90kN(↑)
B.RA=90kN(↑)、RB=30kN(↑)
C.RA=70kN(↑)、RB=50kN(↑)
D.RA=50kN(↑)、RB=70kN(↑)
A.FAx=0、FAY=36.25kN(↓)
B.FAx=0、FAY=10kN(↑)
C.FAx=0、FAY=30.25kN(↑)
D.FAx=0、FAY=36.25kN(↑)
A.12
B.4
C.14
D.18
A.FAX=0、FAY=22.19kN(↑)
B.FAX=0、FAY=52.81kN(↑)
C.FAX=5kN(→)、FAY=22.19kN(↑)
D.FAX=5kN(→)、FAY=52.81kN(↑)
A.40kN·m
B.60kN·m
C.80kN·m
D.100kN·m