109_Problem CHAPTER 9

109_Problem CHAPTER 9 - PROBLEM 9.92 Using Mohr's circle,...

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PROBLEM 9.92 Using Mohr’s circle, determine the moments of inertia and the product of inertia of the area of Problem 9.72 with respect to new centroidal axes obtained by rotating the x and y axes 45° clockwise. SOLUTION From the solution to Problem 9.72: 4 501.1875 in xy I = Problem 9.80: 4 865.6875 in x I = 4 4758.75 in y I = Now () 4 1 2812.21875 in 2 xy II += 4 1 1946.53125 in 2 −= The Mohr’s circle is defined by the points
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