... .200R400544 ,9. 460 626,3.200R 313, 49( N)400+ -=-Þ = =Dx Bx ttv tbr2R R F F ) 313, 49 626,3 544 ,9 394 , 89( N)= + - = + - =yB tbr 2M F .60 544 ,9. 60 32 694 (N.mm)= = =yC DxM R .200 394 , 89. 200 7 897 8(N.mm)= ... 1313 39, 25 N.mm2 2= = =( )rbr2 rtv axByByByF .(60 400) F .200 MR400 198 ,34.(60 400) 1214,1.200 1313 39, 25R400R 506, 79 N+ + -=+ + -Þ =Þ =Dy rbr2 rtv ByR F F R 198 ,34 1214,1 506, 79 ... mặt phẳng Oyz: rbr1By DyF 198 ,34R R 99 ,17(N)2 2= = = =xC Dy100M R . 495 8,5(N)2= =Trong mặt phẳng Ozx:( )( )tbr1 ntBxBxF .50 F . 70 100R100544 ,9. 50 150,4. 70 100R 16,77(N)100-...