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1261_Mechanics Homework Mechanics of Materials Solution

1261_Mechanics Homework Mechanics of Materials Solution - x...

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Unformatted text preview: x lo‘psi. 219123 ooo 1 .36 A- Czkzmi : ‘,122 m I,:(zt(2. 5'0 = 5‘. I2 in Id 2 1[:. out; Into. ccoi‘r] 4.013 m‘ = _’LIH\'1 _ 4. 0'3 Le _ 72 _ Ls/v‘ _ 13.73 _, o 5350:, V‘ 0.375 ‘ 73 78‘ < c“ C; ’ 1234c: ' ‘ ES- §+%(o. $3509)- 14053501): 1.2610 62¢: = 136:: I 2021”} [small-1(a) 58503)] = “5-03 k5“ 6:. A = (le.oa)(4.22) r 67.7 hf?!» > 54 115?: («Met-Jeri) Trj L 3ix2ist t... Ar (230.443 - 2.23 :n‘ 1' amaze): 3 60 m" m ., G V‘ - 1F?" st422—%7= 0517538 in. L 72 - . .42 = 2.532: _. r . 033733 - 7527205 < C“ (.2 124.10 0.53:33 E5. = 5- fight). sa633)- 4(a51633)3 — 1.3638 Cir R fi—[l - it’é—"H- lt—wffsafl—iw. 91633)]: [5.88 ks; Pm : 6am - 05.33 )(383) = 45.7 MP; e 54 to,» Dom-l use Use L stat»; in. J:Jr =mfo. 77') +0. 44x0. em ] = 26397.11" 10.83 Two 3" it 2.";- -in. angles are bolted together as shown for use as a PROBLEM 10-33 column of 6-fi efl’ective length to carry a centric load of 54 Rips. Knowing that the angles available have thicknesses of al.- in., g' 111.,an and -'- in., use allowable stress design to determine the lightest angles that can be used. Use ar= 36 ksi and E= 29 Iii-tin ls, ...
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