意曲向为 ∑m=∑4L8+A1y8=Ayg+4g =IDty18+TRR(6-sin 0)ly, g 2 O=106.30=1.855rad 0 =314×1×0.01×7800×98+[314×0.52 2 ×0.5(1.855-n10639×1000×9.8 q一均布力 =9(kN/m) 1313 L AL g A L g L V g L mg q 1 1 2 2   +  = = = 106 3 1 855rad 0  = . = . Dt g R R g2 2 2 1 ( sin )] 2 1 =   +[ −  −   = A1  1 g + A2  2 g 0.5 (1.855 sin106.3 )] 1000 9.8 2 1 3 14 1 0 01 7800 9 8 [3.14 0.5 2 2  −    = .   .   . +  − q — 均布力 = 9(kN / m)