{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

# Sol HW7 - Problem 4.127 4.126 through 4.128 The couple M is...

This preview shows pages 1–4. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Problem 4.127 4.126 through 4.128 The couple M is applied to a beam of the cross section shown in a plane forming an angle ,6 with the vertical. Determine the stress at (a) point A, (b) point B, (0) point D. ﬂ=30° A —T I; = TLGKoXIoo)3 r 6.6467x10‘ yaw.” =6 éé<7>«1<>"’m9 50mm gramme? H», 2447 [0" m." = 9.2447”; w! 2 t , 50mm _ _ 5 /3 .YA ._y8. _y0: 0mm D——L , M==250Nrm 1 i 2A = 25 r ‘20 .__ 40mm 40 mm 40 mm th '250 5in30° 3-i25N-W MZ=250cos3091 7.16.57 N-m a) g -_ MA +V M12, _ (mammaasm (.125 We own C A - I2 Id - é‘ééé7HO-6 Ll".2667k10" = _ zsowo‘ Pa. - 2,20 MP0. 4; ) - D4312. ﬂLe_ _W W... CM 63 ‘ I1 + Isl €.é€£7x '0" + 4.2447): [0" V = 0.4s2x103 Pas 0.452 MFA 4 - M: a M 2., -_ (ﬁlé.5'0(—0.0503 mask—0,090) LC} (>1— — 4 —- ‘5 + __._-. I1 1;] 6,6647HO ' 4,1667)‘ (0" 2,20xzo‘ Pa 2,30 MP4. 4 'l Problem 4.129 4.129 through 4.131 The couple M is applied to a beam of the cross section shown in a plane forming an angle ,6 with the vertical. Determine the stress at (a) point A, (b) point B, (0) point D. p = 20° M = lOkip« in. V 1 3m. Leash: cen‘l'miel T‘ne. C69+W>ia° pies a} Pm‘nf C I2 = ﬁCng? + 73000133 IJ = g'mms + -é-(2)(q)3 = G4 88 in" 3A .. vygr fin) jD~—L+IV\ 2A = 23 = ”4 I‘V‘A ) 2° - 0 M2 = IO 02:, 20° ' GLSQQQ kspil‘n Mi : IO SA‘A 200 2 3.92Q2 ksp~ In. C03 5' :_szA + M12. : _ (7.3291(1) +(3.4::2)c-43 :—0.3Xl ks; 4 A I IJ Z (l3) 55=' M45 + M13178 : _ (7.32:7)(4) “33:22:64) : _O.,67 us" 4 II. M 2 _ (7.3901164) (3.92o2)(°> : . 4 (c) 615- “fig + f- -——§-8————— +——6—;-——- 0.4271“, 4.133 and 4.134 The couple M acts in a vertical plane and is applied to a beam PrOblem 4'133 oriented as shown. Determine (a) the angle that the neutral axis forms with the horizontal, (b) the maximum tensile stress in the beam. 56 X 12.5 20° FOV‘ SGVlQ-S V‘oﬂyeol 5416/? Share, 12.! m“ _ ' ) 6.0: _ M21» + Mizp ~ _ («521303)(33+ 04-095me - = 13. 5a ks.‘ I2 I, 22A v.22 PrOblem 4- 1 36 4.135 through 4.137 The couple M acts in avertical plane and is applied to abeam oriented as shown. Determine (a) the angle that the neutral axis forms with the horizontal, (b) the maximum tensile stress in the beam. ll": 2i.’+ in“ a IQ": 6-7“} in“ 2,": 2.; = 0.257134 20 : -44 035?)” = ~3./‘H in jA =‘ -L}In) jg: Linn) 3/9 : ‘O.251‘n MJ,’ : ~25 sin 45" = — 17.678 kfpvln M2' = 25 C425 45" = 87.6?8 569.5» (Q) +am 99 ': .133: +6uA 9 : 2L9 +0va (“1459) = 3.!75' . err-1 V cp = — 72.5o l 7 j- o( = 72.s°—«+s° e 215° «in 9b ‘45” h f 1) Maximum +eVESL.i€ s+v~ess occurs asi pox‘mi’ D. = _ M11» + M12» _ __ (< I7.c78)(—o.253 +_(—l7.67g)(—3.NH :2 Ij — ~ 2LH 6.7L?l 8. 46* ks; ’ " ll ll 0.2065 + 8.238 ...
View Full Document

{[ snackBarMessage ]}

### Page1 / 4

Sol HW7 - Problem 4.127 4.126 through 4.128 The couple M is...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online