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62_Problem CHAPTER 9 - PROBLEM 9.56 A channel and an angle...

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PROBLEM 9.56 A channel and an angle are welded to an a × 20-mm steel plate. Knowing that the centroidal y axis is located as shown, determine ( a ) the width a , ( b ) the moments of inertia with respect to the centroidal x and y axes. SOLUTION ( a ) Using Figure 9.13B From the geometry of L152 152 19, × × C150 15.6, × plate 20 mm a × and how they are welded 2 44.9 mm 5420 mm A A x A = = 2 12.5 mm 1980 mm C C x A = − =
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