공엽역학 정역학 11판 솔루션 (저자 Hibbeler (히블러) 11th ed Statics)

Engineering Mechanics - Statics

Chapter 1

Problem 1-1 Represent each of the following combinations of units in the correct SI form using an appropriate prefix: (a) m/ms (b) μkm (c) ks/mg (d) km? μN Units Used: μN 〓 10
?6

N km

μkm 〓 10
9

?6

Gs 〓 10 s ks 〓 10 s mN 〓 10 ms 〓 10 Solution: ( a) m 3m 〓 1 × 10 ms s m km 〓1 ms s ( b) μkm 〓 1 × 10 μkm 〓 1 mm ( c) ks 9 s 〓 1 × 10 mg kg ks Gs 〓1 mg kg ( d) km? μN 〓 1 × 10
?3 ?3 ?3 3

N s

?3

m

mN

km? μN 〓 1 mm? N

1

ⓒ 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 1-2 Wood has a density d. What is its density expressed in SI units? Units Used: Mg 〓 1000 kg Given: d 〓…