Determine the absolute maximum shear stress (in unit of MPa) for the point H on the bottom surface of a beam with external loadings shown below. The beam has a uniform square cross-section with lateral size a = 0.2 m. 50 kN 50 kN a A H a 2 m - 2 - 2 m -2 m– - 2 m

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The beam is fabricated from two equivalent structural tees and two plates. Each plate has a height of 6 in. and a thickness of 0.5 in. The bolts are spaced at s = 8 in. Each bolt can resist a shear force of 17 kip. (Figure 1) Figure 6 in. 0.5 in. 3 in. V 1 in. 0.5 in. Part A Determine the maximum shear force V that can be applied to the cross section. Express your answer in kilopounds to three significant figures. V = IVE ΑΣΦ ↓↑ vec ? kip