tailieunhanh - Mechanics 1 of materials hibbeler 6th Episode 1 Part 4

Tham khảo tài liệu 'mechanics 1 of materials hibbeler 6th episode 1 part 4', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | z-n Solve Prob. 2-31 if e sin ft dL 2 de sin e AZ. j dL J90 sin ỡ 2dỡ 0 i sin Ỡde -cos 0 I ft Ans Jo 0 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. 2-33 The Polysulfone block is glued at its top and bottom to the rigid plates. If a tangential force applied to the top plate causes the material to deform so that its sides are described by the equation y determine the shear strain in the material at its corners A and B. y Prob. 2-33 y 4 X3 4 dx X3 4 dy At A x 0 Ya 0 Ans dy AtB 2 4 X in. Yb ị 3 4 rad Ans dy 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. 2-34. The fiber AB has a length L and orientation 0. If its ends A and B undergo very small displacements UA and VB respectively determine the normal strain in the fiber when it is in position A B . Geometry . Ợ Lcos6 -uA 2 Lsinô vs 2 fL2 u vị 2L vssin0 -Uxcos6 Average Normal strain L VJ 2 vssinS-U cos6 L2 L Neglecting higher terms 4 and vị r 2 - 1 1 -------------------j-1 Using the binomial theorem VaSind UACOSỚ . Ans L L 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 .