PROBLEM 9.158 A section of sheet steel 0.08 in. thick is cut and bent into the machine component shown. Knowing that the specific weight of steel is 490 lb/ft3, determine the mass products of inertia ,xyI,yzIand zxIof the component. SOLUTION First note sTsTmVtAgγρ==Then ()33212490 lb/ft1ft0.08 in.6 3.6 in32.2 ft/s12in.m=×3215.2174 10lb s /ft−⋅33222490 lb/ft1ft0.08 in.1.8 in.32.2 ft/s212 in.mπ=3.5855 10lb s /ft−⋅3323
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