38_Problem CHAPTER 9

38_Problem CHAPTER 9 - PROBLEM 9.42 Determine the moments of inertia I x and I y of the area shown with respect to centroidal axes respectively

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PROBLEM 9.42 Determine the moments of inertia x I and y I of the area shown with respect to centroidal axes respectively parallel and perpendicular to side AB . SOLUTION By symmetry 0.9 in. X = Have A Yy A = Σ Where () 1 1.8 in. 1.4 in. 1.8 in. 2.1in. 2 A =+ ( ) 22 2.52 1.89 in 4.41 in = Then ( ) ( ) 2 3 4.41in 0.7 in. 2.52 in 2.1 in. 1.89 in 5.733 in Y = or 1.3 in. Y = Now ( ) ( ) 12 x xx I II where 3 1 1 1.8 in. 1.4 in. 12 x I = ( ) 2 24 2.52 in
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

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