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Mechanics 1 of materials hibbeler 6th Episode 2 Part 5

Tham khảo tài liệu 'mechanics 1 of materials hibbeler 6th episode 2 part 5', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Because of the number and variety of potential correct solutions to this problem no solution is being given. From Mechanics of Materials Sixth Editionby R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc Upper Saddle River NJ. Allrights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced in any form or by any means without permission in writing from the publisher. Ĩ-so The box beam is constructed from four boards that are fastened together using nails spaced along the beam every 2 in. If each nail can resist a shear force of 50 Ibjde-lermine the largest force p that can be applied lo thếbeam without causing failure of the nails. Shear force V p - _ ZyA _ 0-5 12X1 2 4 6 1 6.5 6 1 y LA 12 1 2 6 1 6 1 8ft l -L 12 13 12 l 3.1O-O.5 2 2 -i- l 63 1 6 4-3.10 2 6 13 6 l 6.5-3.10 2 197.7 in4 12 Qb yg A 3.10 - O.5 12 l 31.2 in3 Qa ỹ A 6.5 - 3.10 6 l 20.4in3 tz ĩn For B aB YQ 0.1578 p however ạ 501b in. qB Ỉ 197.7 2 50 0.1578 p p 317 lb controls Ans For A a- Y 0.1032 p However q 501b in. H Ĩ 197.7 2 50 0.1032 p p 485 lb From Mechanics of Materials Sixth Edition by R. c. Hibbeler ISBN 0-13-191345-X. 2005 R. c. Hibbeler. Published by Pearson Prentice Hall Pearson Education Inc. Upper Saddle River NJ. All rights reserved. This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced in any form or by any means without permission in writing from the publisher. 7-51 The box beam is constructed from four boards that are fastened together using nails spaced along the beam every 2 in. If a force p 2 kip is applied to the beam determine the shear force resisted by each nail at A and B. As shown on FBD 2 kip - XỹA 0.5 12 l 2 4 6 1 6.5 6 1 y XA 12 1 2 6 1 6 1 3.10 in. 2L 12 13 12 l 3.10-0.5 2 2 1 63 1 6 4-3.10 2 -2- 6 l3 6 l 6.5-3.10 2 197.7 in4 12 Qb yB A 3.10 - 0.5 12 l 31.2in3 fit yA