185_Problem CHAPTER 9

185_Problem CHAPTER 9 - PROBLEM 9.140 A framing anchor is...

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PROBLEM 9.140 A framing anchor is formed of 2-mm-thick galvanized steel. Determine the mass moment of inertia of the anchor with respect to each of the coordinate exes. (The density of galvanized steel is 7530 kg/m 3 .) SOLUTION First compute the mass of each component Have mV A t ρ = = Now () 3 1 7530 kg/m 0.002 m 0.045 m 0.070 m 0.047439 kg m == ( ) 3 2 7530 kg/m 0.002 m 0.045 m 0.020 m 0.013554 kg m ( ) 3 3 1 7530 kg/m 0.002 m 0.04 m 0.095 m 0.028614 kg 2 m = Using Fig. 9.28 for components 1 and 2 and the equations derived above for components 3, have () () () 123 x xx x I
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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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