圆轴扭转时的内力计算举例 m 解： (a) m,=70244=1170Nw n mn. ma=7024V2=351Mn (b) (d). n (c) m:=7024V2=351Nwm mc Tu n 468N.m m。=7024VD=468Nm n e 351N.m 702N.m 解： Nm n N m D D = 7024 = 468Nm n N m B C = 7024 = 351 圆轴扭转时的内力计算举例 Nm n N m A A = 7024 =1170Nm n N m B B = 7024 = 351