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Engineering Mechanics Statics - Examples Part 15

Tham khảo tài liệu 'engineering mechanics statics - examples part 15', 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 9 Given a 1.5 ft lb Y 55 -ft3 Solution a FR Y a2 - y a - y dy Fr 583 lb a a d a - yY2yJ a2 - y a - y dy d 1.875 ft Problem 9-121 The gasoline tank is constructed with elliptical ends on each side of the tank. Determine the resultant force and its location on these ends if the tank is half full. Given a 3 ft b 4 ft lb Y 41 ft3 Solution Fr 984 lb 982 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 9 - a d y yc -1.767ft xc 0 ft Problem 9-122 The loading acting on a square plate is represented by a parabolic pressure distribution. Determine the magnitude of the resultant force and the coordinates xc y of the point where the line of action of the force intersects the plate. Also what are the reactions at the rollers B and C and the ball-and-socket joint A Neglect the weight of the plate. Units Used kPa 103 Pa kN 103 N Given a 4 m P0 4 kPa Solution Due to symmetry a a Xc 0 Fr 42.667 kN 0 1 yc T- Fr 0 y ypo a dy a yc 2.4 m Equilibrium Guesses Ay 1 kN By 1 kN Cy 1 kN Given Ay By Cy - Fr 0 By Cy a - FRyc 0 By a - Cy a 0 983 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 .