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Mechanics of Materials - Problems - Solution Manual Part 11

Tham khảo tài liệu 'mechanics of materials - problems - solution manual part 11', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | PROBLEM 7.47 Sk Fi dross seci ớH Tor Si OH í 2T Bertolỉnoi Ổ - Ị 7.47 Solve Prob. 7.25 using Mohr s circle. 7.25 A 400-lb vertical force is applied at D to a gear attached to the solid one-inch diameter shaft AB Determine the principal stresses and the maximum shearing stress at point located as shown on top of the shaft. SOLUTION Ỉ-4ỊVÌự ỉesíi -CoupJt 4 o r shm Pi ì Vi se C h on 4 pot tA H. 4ồo a 40OV4Ì MOOẬỈH 7 4ooi iO Soo llữ.in. p I ì VI c id 0-5 Ito J - 5cv - 0.098ns- ùn X iT 0.049OỐ7 in i - I 1 4-O7V líĩV - 24.446 X O S 4.446 ks 0.04 087 r 7T VS 1 e se SJieetiA S4v s uf poỉ t M it zek o. Resu-Wavii s4r sses ksi j oj X 4.07 4 i sỉ x Oy r kii IJ.223 1 Ỉ.OH 1 - 2.w ks R - XS. 107 ks GL - Q - O S61 fcfef R - 17.88 H. 7.48 Solve Prob. 7.26 using Mohr s circle. PROBLEM 7.48 10 in. 31 A. Benolin 7.26 A mechanic uses a crowfoot wrench to loosen at bolt at E. Knowing that the mechanic applies a vertical 24-lb force at A determine the principal stresses and the 3 maximum shearing stress at point H located as shown on top of the 4 - in. diameter shaft. SOLUTION lĩqưì Soot ent pore -coư ìn secdiom cưf po 1 1 V 24 A. V V 24 6 Ì T 24 o Ho A-in SLcH c oss sed totA - J -J Ịc - 0.03 065 ỉm KQ-375 r Zg97x O3 . 3 477 0 p z Ồ.OIỸS X r c - Jr cl Ô 375 im 0.7SỈKI I O.OISS3Z m J O.O5IOỐ3 Me _ iuuYo.s . I T 2.W kst 3.V77 k 7 nsưeicse she A poìnl H s ress due 4v ske4 is zepo. í t J ĩý o J 2.8 7 its I siỉesses S x 3.477 3.477 SJ14 6L. 1 r -73S Vsi R - - y 1.73a .8 7X 3.378 kti 6 SL. R - 16 ks. - 6L 6U - R - Wsi - R 3.378 ksi I e cenlei o1 th Mohr 1 circle A at point c PROBLEM 7.49 7.49 Solve Prob. 7.27 using Mohr s circle. 7.27 For the state of plane stress shown determine the largest value of ơy for which the maximum in-plane shearing stress is equal to or less than 15 ksi. XD - I a 2 . ĩ Zo.