1.(单选题)如图所示,作用在刚体上的力F从A点移动到B点后,以下说法正确的是( )。

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.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829318998.png">

B.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829341277.png">

C.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829400149.png">

D.<img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959829417864.png">

A.5MPa

B.10MPa

C.15MPa

D.0

A.3

B.4

C.6

D.8

A.12

B.4

C.14

D.18

A. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/17049597618391010.png">

B. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959761922405.png">

C. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959761979638.png">

D. <img src="https://cg-service.oss-cn-shanghai.aliyuncs.com/20240111/1704959762029364.png">

A.N=6P

B.N=2P

C.N=3P

D.N=P

A.左支座处

B.跨中处

C.左右支座处

D.全梁

A.固定端A端

B.自由端B端

C.荷载分布长度的中点

D.全梁长度的中点