PROBLEM 10.32 For the mechanism shown, block Acan move freely in its guide and rests against a spring of constant 15 lb/in. that is undeformed when 45 .θ=°For the loading shown, determine the value of corresponding to equilibrium. SOLUTION First note ( )10sinin.Dy=Then ( )10cosin.δθδ=DyAlso ( )212cos in.=AxThen ( ) ( )024 in. cos45Ax=°and ( )24sinin.=−AxWith0:<Virtual Work: ( )0:60 lb0DSPAUyFxδδ=−=
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Cos, Harshad number, Highly composite number