平面一般力系的平衡作业及答案

1.12.23.3Fm4.4xX=0x=0345.5aMaFF=FdabMbFF566.6ABCD7.8.AB789.810.9f91011.12.10FABMFa13.Fx0A0B0ABx1.A.B.C.D.2.11OPm11A0PBmPCmPDR0Pm0P=-Prm3.12DmEAB12AABBABCABEBA4.13ABCDO13A0=0R=0B.M00R=0C00RD.M0=0R5.14ABBCFABFBCPAB14APFABFBCB.FABPFBCC.FBCPFABD.PFBCFAB6.15ABP=qLa=AB15AB.C.D.7.Fzz=0zZ0FzBAB.CD.8.ABCD9.16123R1610.17abA17A.abB.baC.abD.ab11.G30060018ABANA18AG/2BCGsin300DGcos60012.19GAFFA19A.B.C.D.13.A.B.C.D.14.AB20abcFN1N2N320A.B.C.D.15.21M=10kNmACABMBCAB21A.4kNB.5kNC.8kND.10kN16.A.B.C.D.17.ACMBCABC22A.BABCCDABC1.______________________2.______________________3.__________4.FxyF=100NFx86.6Nx115.47NFyx__________________Fy_______________235.__________________6.________________7.______________________8.____________________________________________9.______________________1.1=100KNF2=100KNF3=150KNF4=200KN241.25A252.26qPMLaABCbAB263.27AB4.28AC2728