课堂测试(7) M TF 0.0≤x,≤L/2 x1,0≤x1≤L/2 ,0≤x≤L/2 Fx,0≤x2≤2L 1x2.0≤x2≤2L 1.0≤x≤2L T(x)=0 0,0≤x≤L/2 (x)={L 0≤x1≤L/2 0≤x,<2L T(x)=100≤x≤2L 2LFx,·x 2 dx=16Fz3 3E qx、4FL2 2L Fx.课堂测试（7） 3 2 2 2 1 0 16 2 d 3 L F Fx x FL x EI EI   =  − = −  M T M1 M4 MF T1 T4 TF 1 2 2 0,0 / 2 ( ) ,0 2 F x L M x Fx x L    =     ( ) 0 T x F = 1 1 1 2 2 ,0 / 2 ( ) ,0 2 x x L M x x x L    =     1 1 2 0,0 / 2 ( ) ,0 2 2 x L T x L x L     =      1 4 2 0,0 / 2 ( ) 1,0 2 x L M x x L    =     1 4 2 1,0 / 2 ( ) 0,0 2 x L T x x L    =     2 2 2 4 0 4 2 d L F Fx FL x EI EI  =  = 