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At a point in a stressed body, the principal stresses are oriented as shown in the figure. Use Mohr's circle to determine: (a) the stresses on plane a - a. (b) the stresses on the horizontal and vertical planes at the point. (c) the absolute maximum shear stress at the point. Assume the principal stress magnitudes are[61= 7.78 ksi and (0,21 = 29.80 ksi. Also, b = 4.95, so that b), = 39.3". 192 Part 1 On a piece of paper, draw Mohr's circle for this state of stress. Enter the location of the center of Mohr's circle on the horizontal. or o, axis. Also, enter the radius of Mohr's circle. CE i ksi R= i ksi
Part 2 Determine the normal stress on plane a - a. Use the correct sign based on the sign convention for normal stress. 04-4 = ksi Save for Later Attempts: 0 of 1 used Submit Answer Part 3 - u. Determine the shear stress on plane a - a. Enter the magnitude of the shear stress, so enter a positive value for ta-e. Then, choose whether this shear stress rotates the wedge element clockwise or counterclockwise in this case. ksi Te-a rotates the wedge element: O counterclockwise O clockwise
Part 4 Determine the stresses on the horizontal and vertical planes at the point. Use the correct signs based on the sign conventions for normal and shear stresses. Ox= ksi Oy = 1 ksi Txy = ksi Save for Later Attempts: 0 of 1 used Submit Answer Part 5 Compute the absolute maximum shear stress at the point. Tahmax = ksi