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2-The 20 foot long cantilever beam shown in the figure is subjected to the loading shown...


2-The 20 foot long cantilever beam shown in the figure is subjected to the loading shown below. The load intensity is uniform
2-The 20 foot long cantilever beam shown in the figure is subjected to the loading shown below. The load intensity is uniform and given as 150 lhe/ft. The beam is made of steel with Modulus of Elasticity of 30,000 ksi. Calculate maximum normal stress in the beam. (50 points) in
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Answer #1

RA deflection dwe to only UDL Y, 8EI deflection dve to only support load 13 RAL 3 EI RA :Net YA = Yo t Yz =0 %3D -wcy RALS 3EIvc O RA - WL +3 E MB =0 RA 3WLIL) 3니9 SFP MB ImB : Mo - Mc= }$ w2) (3/8) me=-gw2 srt goe? Me= 128 anpo-g wL 2 Mmaya M12 - pul 3LwLa Mo= Чи -3414 iso X 20 Mmax %3D > 7560 1bs f mpo12 -2- bd 12 12 16X63 12X4? 12 I = 288 - 64 = 224 inus Az A3 12 6x2 ニ 12 12 X2 = 24 Y,= Al= Az %3D A3 = 6 X2 = 12 A t Azy A312Y3 424X57 12A24712 M. Bhoy_Sress 4 224 6=133.g s 1bs/ May. Nocel stess. %3D

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