PROBLEM 9.156 A section of sheet steel 3 mm thick is cut and bent into the machine component shown. Knowing that the density of the steel is 37860 kg/m , determine the mass products of inertia ,xyI,yzIand zxIof the component. SOLUTION First compute the mass of each component Have sTsTmVtAρρ==Then ()()()()3317860 kg/m0.0030.080.09mm=0.169776 kg=()33217860 kg/m0.0030.090.036m2m=××0.03820 kg=Now observe that ()()()1110′ ′
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