1CHAPTER 8 MECHANICS OF RIGID BODIES: PLANAR MOTION 8.1(a) For each portion of the wire having a mass3mand centered at ,22bb−, ( )0,0, and ,… y xb b10023cmbmxm =−++ =10cmbym3=++=(b) ()12dsxdybydy==−1201bcmyybymρ=−∫dy1202214ybycmbydbyybπρ==−− −=∫4y3cmbπ=From symmetry, 4x3cmb=(c) The center of mass is on the y-axis. 12dsxdybydy==3122110022cmbby dyydyybydyy∫∫∫∫3y=5cmb(d) The center of mass is on the z-axis.
This is the end of the preview. Sign up
access the rest of the document.
This note was uploaded on 01/06/2012 for the course PHYSICS 4360C taught by Professor Johnanderson during the Fall '11 term at UNF.