178 Circular Motion and Other Applications of Newton’s LawsAdditional Problems*P6.50When the cloth is at a lower angle θ, the radialcomponent of Fma∑=readsnmgmvr+=sin2.At =°68 0., the normal force drops to zero andgvrsin682°=.R68°pmgpmgcos68°mgsin68°FIG. P6.50vrg=°=sin..sin.680 339 8681 73m msms2afejThe rate of revolution isangular speed =FHGIKJFHGIKJ==17312220330835501....msrevmrev srev minbgπrr.*P6.51(a)v=FHGIKJFHGIKJ=3011000833km hh3600 sm1 km.ayy∑=: +−=−gmvr2nmgv
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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 .