A.P
B.0.5P
C.0.5Pa
D.PI
A.P
B.0.5P
C.0.5Pa
D.PI
A.3
B.4
C.6
D.8
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.-0.25qa
B.0.25qa
C.-0.5qa
D.1.5qa
A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392965943.jpeg">
B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563392982483.jpeg">
C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/170556339303245.jpeg">
D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393099145.jpeg">
A.RB=35kN(↑)
B.RB=55kN(↑)
C.RB=25kN(↑)
D.RB=45kN(↑)
A.80
B.500
C.420
D.580
A.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563397401160.png">
B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563397419575.png">
C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563397437896.png">
D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563397486832.png">
A.RB=43.75kN(↑)
B.RB=36.25kN(↑)
C.RB=43.75kN(↓)
D.RB=36.25kN(↓)