Tham khảo tài liệu 'engineering mechanics statics - examples part 1', 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 1 Problem 1-2 Wood has a density d. What is its density expressed in SI units Units Used Mg 1000 kg Given d 2 ft3 Solution 1slug kg Mg d 3 m Problem 1-3 Represent each of the following combinations of units in the correct SI form using an appropriate prefix a Mg mm b mN ps c pm-Mg Solution Mg 103 kg 106 kg Gg a -------- --------- mm 10- 3 m m m Mg Gg ---- ---- mm m mN 10- 3N 103 N kN b _ _ ps 10- 6 s s s mN kN ---- ---- ps s c pm-Mg 10 6 m w3 kg 10 3 m-kg pm- Mg mm- kg 2 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 1 Problem 1-4 Represent each of the following combinations of units in the correct SI form a Mg ms b N mm c mN kg- ps . Solution a Mg _ 103 kg _ 106 kg _ Gg a l s 10- 3 s s s Mg Gg ---- _ ---- ms s b N mm 1 N _3 N kN _ 10 m _ m 10 m N kN -- _ -- mm m c mN 10 3 N kN kg-Ps 10- 6 kg- s kg-s mN kN ------- _ ----- kg- ps kg- s Problem 1-5 Represent each of the following with SI units having an appropriate prefix a S1 b S2 c S3. Units Used kg _ 1000 g ms _ 10- 3 s kN _ 103 N Given S _ 8653 ms 52 _ 8368 N 53 _ kg Solution a Sj _ s 3 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 .
