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.MA=-160kN·m,QA=8OkN
B.MA=-150kN·m,QA=60kN
C.MA=-180kN·m,QA=40kN
D.MA=180kN·m,QA=40kN
A.12
B.4
C.14
D.18
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829144484.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/17049598292071013.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829238592.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829258741.png">
A.3
B.4
C.6
D.8
A.N=6P
B.N=2P
C.N=3P
D.N=P
A.5MPa
B.10MPa
C.15MPa
D.0
A.AC和CE段
B.AC CD和DE段
C.AB BD和DE段
D.AB BC CD和DE段
A.(1)
B.(2)
C.(3)
D.(4)
A.-12kN(压力)
B.-14kN(压力)
C.-18kN(压力)
D.-25kN(压力)