352 Static Equilibrium and ElasticitySection 12.2More on the Center of GravityP12.4The hole we can count as negative massxmx mxmmCG=−−112212Call σthe mass of each unit of pizza area.xRRxRRRRRCGCG=−−−==σπ222222283406chchchP12.5The coordinates of the center of gravity of piece 1 arex1200=.cm and y1900=. cm.The coordinates for piece 2 arex2800=.y2=cm.The area of each piece isA172 0=cm2and A232 0=2.And the mass of each piece is proportional to the area. Thus,
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This note was uploaded on 12/14/2011 for the course PHY 203 taught by Professor Staff during the Fall '11 term at Indiana State University .