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1345_Mechanics Homework Mechanics of Materials Solution

1345_Mechanics Homework Mechanics of Materials Solution - i...

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Unformatted text preview: ' i PROBLEM 11.50 11.50 The cylindrical bloekE has a speed vo= 16 11/3 when 1’: stnkes squareiytbeyoke BDthatisattadledtothe%-i1L-diameterrodsABandCD. meingthattherodsare made of a steel for which a, = 50 ksi and E = 29 X 10‘ psi, determine the weight of the block E for which the fitctor of safety is five with respect to permanent deformation of the rods. r'““#fi| 'ih'g'" SOLUTION A+ ‘Hne erase? o-F JEEJpcll'ni 'Hhe 4:39an in ech wool is J. F t SvA Corresponding 5+V‘m'n energy. 25A» - ZE‘A _ 25 l DAB: H;Lm_ 6’; z1. - SKIAL :l J Oahu: 3 :' 32.17 H/scc.‘ 1' 386 Fan/Sec: 6? = 5OXIDS PSI.) 03: A 7 E d‘ = “$7ng = 0.6082 :3 E= 2‘?"0‘ F5" L = 3.5 ‘H ‘-‘ 42in ES. 5 j V. 2' ’6 ‘H/Set’. -' qu tn /$£.c 1 w ... W191? = I] (FFIEJZCSMZ‘IHO‘) a ‘ ...
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