219_Problem CHAPTER 9

219_Problem CHAPTER 9 - PROBLEM 9.155 A section of sheet...

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PROBLEM 9.155 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 3 7860 kg/m , determine the mass products of inertia , xy I , yz I and zx I of the component. SOLUTION Have st mv t A ρρ == Then ( ) () 33 1 7860kg/m 0.003 0.420 0.360 m 3.5653kg m × = 2 3 2 7860kg/m 0.003 m 0.210m 1.6334kg 2 m π    ( ) 2 40 .210m 0.089127m 3 x Now observe that 0 ′′ = xy yz zx III ,kg m ,m x y z 2 ,kg m mx y 2 my z 2 mz x 1 3.5653 0 0.8 0.21 3 134.768 10 × 2 1.6334
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This note was uploaded on 07/11/2011 for the course EGM 2511 taught by Professor Jenkins during the Spring '08 term at University of Florida.

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