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/m3.) SOLUTION First compute the mass of each component Have mVAtρ==Now ()317530 kg/m0.002 m0.045 m0.070 m0.047439 kgm==( )327530 kg/m0.002 m0.045 m0.020 m0.013554 kgm()3317530 kg/m0.002 m0.04 m0.095 m0.028614 kg2m=×=Using Fig. 9.28 for components 1 and 2 and the equations derived above for components 3, have () () ()123xxx xI
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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.