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hw1-2_sol - 1.8 Knowing that the secifxonm area of 800...

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Unformatted text preview: 1.8 Knowing that the secifxonm area of 800 11111123 the normal guess in that po Fig. P1 ,8 centred portion of the fink 8D has determine the magnitude of the 1 mom of BB is 50 MPa. a uniform cross— oad 1’ for which L7 Each of the four vertical links has an 8 X 36—mm uniform :Ectan— guiar cross section and aach of the four pins has a 16—mm diamate‘n Determine the maximum vaius of the average normai stress in tha links connecting (a) points 1;? and D, (1)} points C and E. 0.4 m / ,C /[ (1.25 m / I i g i x LG z J}~{:§wm} 33(1):? (,1 2,? 7, ‘)”” w/éwfi:a£%«;@fii ‘ \j ’3 C" L 3&9“ C3733} £5 av ADP“? b ggwify“) *4" 1L82?) p” ; 326’ (kid) . éi V/2.§'C3’V.), 3 ,WMWC ¢ 1 a »%“W”T a; M i: .3 ,_ w w: if ; fizoww3'@©i ;2{9€§IIN‘} Egg i“ if}; {Mfii’f‘x’g 37/6 “:3? $613”? , WW § ITFW ”I” [T , » $2. W MW “.5 :3» “flaw 2%(2963640 m {M ' %7 4x§&m. c & fi%’ 3 ~ “ ”Q 5! '%E M” *Wiflpflffl,/{~WP w' ““«meW W “M 1 5 s \K Way/1:333 [Bi/MA ( 5 A m a}? 1%ch 1.15 When [he forée P reached 2600 lb, the wooden specimen shown failed in Shear 213mg the surface indicated by the dashed line. Determine the average shearing stress along thin surface at the time of fa‘ihn‘e. “#211 Eng”G“/:? Jawaadw P: “30C” , WM” W , 3' /é§0(1=%'> ,., $§§%%C7‘>SUJ{ “My 3x0 6W9”) . x 1 . E K ? 1.20 The load P uppiied m a staaE yod is distributed to a iimbey support M by an annular washer. The (Hamster of the rod is 22 mm and {he inner diame— icr of me washer :5 25 mm which IS siéghw linger than the diameter of the Emit Detexmine {3 e smaliesl lilowabie Guier di amater (l of the: washez know ii“; that the ax: a! 6101mm mess in the stag} md is )5 MPH and {hat the avexage be 12mg guess bet 66ch the washer and the r mbex must not Exceed 5 MP » «”66: 3mm :2 6; W6 66x20 [2% >677sz w L 2. , » ”am 61’.» {ch 866%) 7? ” 46 (66’ ’ {@231 .3: 56.221196) 6%) 77(6) %, m 6] 2?. 6"” ) fipvfi/ 6 . wa 612 7/ 3 M 36/673663 <6 E)? : 66 3:. (666 / fwééfm :26] ...
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