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t Part A Determine the moment of inertia of the beams cross-sectional area about the z Figure 1) axis. Set a 8 in b3 in3 in
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[ Note: Question is not clearly visible whether it is asked to find Ix or Iz . Hence both the values are determined. Please refer the value which is required to you.]

Im 3 in 3 vn 2. 1in Lef . CI2 C3 are centroid sf , ond 3 respechvey. C are cen . y. ,, and are cemtroid al d distance ia 1,2,the tigure A 2 2 3 u3 24ナ3+3 1 Cm us gwen by ape ,s x- abouト 6-inertia momenト Therefore 2 n-3 1 2 12.-, From the abave. equatimc ast M2A3 Moment of merhia about y aei s 3 x 83 - 128 1 1 2- 12. (r 2 1 2- From he. above. we ct Ior anis is we There rore momentrmerha aboul 1 65-t 142.

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