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9_3 - 9.3 For the following problems a beam segment...

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9.3 For the following problems, a beam segment subjected to internal bending moments at sections A and B is shown along with a sketch of the cross-sectional dimensions. For each problem: (a) Sketch a side view of the beam segment and plot the distribution of bending stresses acting at sections A and B . Indicate the magnitude of key bending stresses on the sketch. (b) Determine the resultant forces acting in the x direction on the specified area at sections A and B and show these resultant forces on the sketch. (c) Is the specified area in equilibrium with respect to forces acting in the x direction? If not, determine the horizontal force required to satisfy equilibrium for the specified area and show the location and direction of this force on the sketch. Consider area (1) of the 500-mm-long beam segment, which is subjected to internal bending moments of M A = 5.8 kN-m and M B = 3.2 kN-m. Fig. P9.3 a Beam segment Fig. P9.3 b Cross-sectional dimensions Solution Centroid location in y direction:

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