tailieunhanh - Engineering Mechanics Statics - Examples Part 9

Tham khảo tài liệu 'engineering mechanics statics - examples part 9', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | Engineering Mechanics - Statics Chapter 6 Wr Eyữ - Exd 0 -By c FCD -By a c W 0 Fcd - W d e - r 0 -A x Bx d Fcd W 0 Ax A Bx By Fcd Ex k Ey Find Ax Bx B FcD Ex E x x y x y Ị Cx FCD d Cy FCD c Dx -Cx Dy -Cy EAx Ì EB By C Cy Dx D Eỳ E k Ey 7 160 6L 1-1L -106667 X 10- 13 k J lb 562 2007 R. C. Hibbeler. Published by 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. Engineering Mechanics - Statics Chapter 6 Problem 6-90 The two-member frame is pin connected at C D and E. The cable is attached to A passes over the smooth peg at B and is attached to a load W. Determine the horizontal and vertical reactions at each pin. Dx 1 lb Given a 2 ft b 1 ft c ft W 100 lb Solution c d b a 2 b Initial guesses Cx 1 lb Cy 1 lb Given -Dx Cx - W 0 -Dy Cy - W 0 -Cxc Cyb Wd - W a 2 b 0 W - Cx Ex 0 Ey - Cy 0 Dy 1 lb Ex 1 lb Ey 1 lb -Wd Cxc Cyb 0 563 2007 R. C. Hibbeler. Published by 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 .