tailieunhanh - Engineering Mechanics - Statics Episode 1 Part 2

Tham khảo tài liệu 'engineering mechanics - statics episode 1 part 2', 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 2 Fl cos o p Fr cos p - F3 - F2 cos a Fl sin o p F2 sin a Fr sin p 0 atan f F2 sin a Fr sin p kFr cos p - F3 - F2 cos a J - p 0 37 deg Fl yj Fr cos p - F3 - F2 cos a 2 F2 sin a Fr sin p 2 Fl 889 N Problem 2-36 Determine the magnitude and direction measured counterclockwise from the x axis of the resultant force of the three forces acting on the bracket. Given Fl 300 N F2 450 N F3 200 N a 45 deg p 30 deg 0 20 deg Solution FRx Fl cos 0 p F3 F2 cos a Frx N FRy -Fl sin o p F2 sin a FRy N 42 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 2 Fr 7FX FRy2 Fr 717 N angle from X axis Ộ atan 1 I Frx J Ộ deg Ộ angle from X axis ệ p ệ deg Problem 2-37 Determine the magnitude of the resultant force and its direction measured counterclockwise from the positive x axis. Given F1 800 N F2 600 N Ỡ 40 deg c 12 d 5 Solution A Frx ZFx Ỳ FRy ZFp FRx F1 cos ớ - F2 c A FRy Fj sin ớ F2 FRx 59 N FRy 745 N X Fr2 Fr 747 N 43 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 .