A.σBC=-2.1MPa(压应力)
B.σBC=-2.6MPa(压应力)
C.σBC=-3.4MPa(压应力)
D.σBC=-4.5MPa(压应力)
A.σBC=-2.1MPa(压应力)
B.σBC=-2.6MPa(压应力)
C.σBC=-3.4MPa(压应力)
D.σBC=-4.5MPa(压应力)
A.σAB=149.3MPa(拉应力)
B.σAB=152.5MPa(拉应力)
C.σAB=131.4MPa(拉应力)
D.σAB=168.9MPa(拉应力)
A.(a)
B.(b)
C.(c)
D.(d)
A.-2kN(压力)
B.-1kN(压力)
C.2kN(拉力)
D.3kN(拉力)
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811354975.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/170495981137920.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811435752.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811501695.png">
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811120603.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811141111.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811161288.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959811221182.png">
A.NAB=-2kN(压力)
B.NAB=-3kN(压力)
C.NAB=-4kN (压力)
D.NAB=-2kN (拉力)
A.T₁= -2kN·m
B.T₁= 5kN·m
C.T₁= -4kN·m
D.T₁= 10kN·m
A.2
B.4
C.1/2
D.1/4