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Old Dec 3rd 2015, 02:38 PM   #1
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The cubic is divided into 4 parts , A, B and C, D , each with thickness of 1mm , i am

The cubic is divided into 4 parts , A, B and C, D , each with thickness of 1mm , i am asked to find the second moment of inertia about x -axis



i' m using the formula Ixx = Ix +A(d^2)
for part CD, Ixx = 50(1^3) / 12 + 50 ((0.5-0.5)^2)
or Ixx = 50(1^3) / 12 + 50 ((25-0.5)^2)
is correct ?
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The cubic is divided into 4 parts , A, B and C, D , each with thickness of 1mm , i am-img-20151203-wa0000-1-.jpg  
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