abcA40.10440.420.2kg2m/s2kg3m/sA2.6m/sB2.6m/sC0.5m/sD0.8m/s2.ABCD3.tABCD4.,abc,a,bc.A.B.C.D.5.abaA.bB.abC.abD.ab6.ABmAmB=32CABAB.A.ABB.ABCC.D.7.,,.A.,B,C,D,A.BB.CC.ACD.AD8.A-qB+2qA.B.C.D.9.,B,A,.(),ABCDA.,B.,C.,D.,10.m0LMEkAMmBMmCmMDmM110.8110.1110112dm1____m2.2________________________3ABOC21PD21212MNEOMOPONFv0BAF_____________________________________________________________________________12.101OO1A2121B2C12AaBbCc________________________________________________________________________13.13L=1.6mM=3kgm=1kgmM=0.1Fg10m/s2(1)F(2)F=10N(3)F=10NF14.13kgm21kgm1.kgm42smv/50smv/81.2.0122/10smgabhOHcABCv015.15mv0Md16.152mBmAv0BAAB1E2B()ABBBmEmE17.17MAmBv0.1EPQ2B.ABm2mABv0