TAILIEUCHUNG - Mechanics 1 of materials hibbeler 6th Episode 2 Part 3

Tham khảo tài liệu 'mechanics 1 of materials hibbeler 6th episode 2 part 3', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 6-140 A 100-mm-diameter circular rod is bent into an s shape. If it is subjected to the applied moments M 125 N m at its ends determine the maximum tensile and compressive stress developed in the rod. J 2 n r- A r In - - m A n c1 n 10 3 ff m2 R T dà iA r-R 10 3 m Compressive stress at A and D M R-rA -125 - ƠA - - - . . - MPa max Ans ArA f R 10- 10- M R-rD 125 ArD r-R 10- 10- Tensile Sttess at B and c _ M R-rB -125 ƠB ------ ------------------------------- - Mra Argtf-R 10- 10- M R-rc _ 125 Arc r - R 10- l .39318138 IQ- 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. 6-141 The member has an elliptical cross section. If it is subjected to a moment of M - 50 N m determine the bending stress at points A and B. Is the stress at point A which is located on the member near the wall the same as that at 4 Explain. J -- 2 JA r a 2 0 m A n ab n 1O 3 n 75 mm 0 R Aĩĩ 2 -8125 SĨ- iA r-R - 50 0 166556941-0 1 446 kPa CD Ans A ArA r R 10- M R-rg _ 50 _ 224 kpa C Ans - Ara f-R 10- No because of localized stress concentration at the wall. Ans 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. .

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