PROBLEM 9.31 Determine the moment of inertia and the radius of gyration of the shaded area with respect to the xaxis. SOLUTION First note that 123AAAA=++( )( ) ( )( ) ( )( )()221.2 in. 0.3 in.2.4 in. 0.4 in.2.4 in. 0.3 in.0.360.960.72 in2.04 in=++=++=Now ( ) ( ) ( )xxx xIIIIwhere ( )3224111.2 in. 0.3 in.0.36 in1.36 in.0.6588 in12xI=34210.4 in. 2.4 in.
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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.