... q=1,2T/m2m 2m 2m2m 2m 2mM = 2, 4T.mP=2T P=2T M = 2, 4T.mq=1,2T/m1T1T-0,6T0,6T 2, 4T 2, 4T 2, 4T3T0,4T1T4,80,60,6 2 0,3 2, 710,7 2, 4H.44cM (T.m)(T)Q(T)N ... 4.VA - 2. q.3 - 2. P - 2. VB = 0. Þ 4.VA - 2. 1 ,2. 3 - 2. 2 - 1 ,2. 2 = 0 Þ VA = 3,4 (>0). 2m2mCAByOP = 2T2m xDEq = 1,2T/mH.41aVBHBq = 1 ,2 EBVEH.41b0,6M1 1 ,2 1 ,2 Q1 ... 466 2 4 2 (T)QH .28 d666 6(T)NH .28 e444 12 12 (T.m) M H .28 c C HOĩC KT CU 1 Page 62 ồMA = 0 ị ị -4.VD + 2. q.1 + 2. P + 2. VB = 0. ị -4.VD + 2. 1 ,2. 1 + 2. 2 + 2. 1 ,2 = 0....