A.零
B.等于剪力的大小
C.等于集中载荷乘以其作用点到该截面的距离
D.等于均布载荷乘以其作用长度
A.零
B.等于剪力的大小
C.等于集中载荷乘以其作用点到该截面的距离
D.等于均布载荷乘以其作用长度
A.18kN·m
B.24kN·m
C.30kN·m
D.36kN·m
A.不变
B.增加一倍
C.减少一倍
D.增加两倍
A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393298642.jpeg">
B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393350945.jpeg">
C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393373630.jpeg">
D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240118/1705563393399873.png">
A.弯矩是剪力的积分
B.剪力是弯矩的积分
C.剪力是弯矩的导数
D.弯矩和剪力没有直接关系
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
A.80
B.500
C.420
D.580
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.$-wL/2$
B.$-wL^2/2$
C.$wL^2/8$
D.$wL/4$