The circular steel bar in Fig. (a) and the square steel bar in Fig. (b) are...

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The circular steel bar in Fig. (a) and the square steel bar in Fig. (b) are sub- jected to the same torque T. (Note that the volumes of the bars are equal.) Determine (a) the ratio (max) a/(Tmax) of their maximum shear stresses; and (b) the ratio (max)/(max) of their angles of twist. T (a) 7 a FIG. P3.51 (b) a L The circular steel bar in Fig. (a) and the square steel bar in Fig. (b) are sub- jected to the same torque T. (Note that the volumes of the bars are equal.) Determine (a) the ratio (max) a/(Tmax) of their maximum shear stresses; and (b) the ratio (max)/(max) of their angles of twist. T (a) 7 a FIG. P3.51 (b) a L

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