PROBLEM 9.170 A piece of sheet metal of thickness tand density ρis cut and bent into the shape shown. Determine its mass moment of inertia with respect to a line joining points Aand B. SOLUTION Have mVtA==Then 221212mtamtaρρ==Compute moments and moments of inertia with respect to point A Now ()( )xxxIII′′′=+22211122183ataaataaa+++41912ta=( ) ( )yyyI′′′221122ataaa+2222221833btaaa
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