简支梁受力如图所示,则下述正确的是( )
A、FQC(左)=FQC(右),MC(左)=MC(右)
B、FQC(左)=FQC(右)-F,MC(左)=MC(右)
C、FQC(左)=FQC(右)+F,MC(左)=MC(右)
D、FQC(左)=FQC(右)-F,MC(左)≠MC(右)
发布时间:2025-07-10 11:47:34
A、FQC(左)=FQC(右),MC(左)=MC(右)
B、FQC(左)=FQC(右)-F,MC(左)=MC(右)
C、FQC(左)=FQC(右)+F,MC(左)=MC(右)
D、FQC(左)=FQC(右)-F,MC(左)≠MC(右)