1.(单选题)如下图所示悬臂梁,其固定端支座截面处的剪力是多少?

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.零

B.荷载的一半

C.荷载的全部

D.荷载的双倍

A.FAX=0、FAY=60kN(↑)、MA=80kN·m(逆时针)

B.FAX=0、FAY=6OkN(↓)、MA=80kN·m(逆时针)

C.FAX=0、FAY=50kN(↑)、MA=65kN·m(顺时针)

D.FAX=0、FAY=50kN(↓)、MA=65kN·m(顺时针)

A.FAx=0、FAY=20kN(↓)、MA=70kN·m(逆时针)

B.FAx=0、FAY=20kN(↑)、MA=70kN·m(顺时针)

C.FAx=0、FAY=20kN(↑)、MA=70kN·m(逆时针)

D.FAx=0、FAY=20kN(↓)、MA=70kN·m(顺时针)

A.FAx=0、FAY=90kN(↑)、MA=340kN·m(逆时针)

B.FAx=0、FAY=90kN(↓)、MA=340kN·m(逆时针)

C.FAx=0、FAY=90kN(↑)、MA=340kN·m(顺时针)

D.FAx=0、FAY=90kN(↓)、MA=340kN·m(顺时针)

A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563394635884.jpeg">

B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563394688317.jpeg">

C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563394726596.jpeg">

D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563394783105.jpeg">

A.-0.25qa

B.0.25qa

C.-0.5qa

D.1.5qa

A.P

B.0.5P

C.0.5Pa

D.PI

A.MB=-32kN·m，QB右=16kN

B.MB=-35kN·m，QB右=20kN

C.MB=32kN·m，QB右=20kN

D.MB=-40kN·m，QB右=35kN