430 Fluid MechanicsP14.56Assume vinside≈0PPP++=++=−=× +× =001121 000 30 01 000 9 80 0 50014 50 104 90 10455253atmatmkPagaugebgafafaf...P14.57The “balanced” condition is one in which the apparent weight of thebody equals the apparent weight of the weights. This condition can bewritten as:FBFBgg−=′ −′where Band ′B are the buoyant forces on the body and weightsrespectively. The buoyant force experienced by an object of volume Vin air equals:Buoyant forceVolume of objectair=ρgFIG. P14.57so we haveBV g=airand′=′FHGIKJBFgggair.Therefore,FF VFggg=′+ −′FHGIKJair.P14.58The cross–sectional area above water is2460 6000 2000 5660 3300600113113 0330070970922.....rad2cmcmcmcmcmgcmkgm2all2waterunderwoodallwood33πρρafafafaf====−AgAA g0.400 cm0.80 cmFIG. P14.58
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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 .