Engineering Mechanics

Engineering Mechanics (Statics & Dynamics) 14e Russell Hibbeler

(Solution Manual all Chapters)

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1–1.

What is the weight in newtons of an object that has a mass of (a) 8 kg, (b) 0.04 kg, and (c) 760 Mg?Solution (a)   W=9.81(8)=78.5 NAns.(b)  W=9.81(0.04)(10 -3

)=3.92(10

-4

• N=0.392 mNAns.

(c)  W=9.81(760)(10 3

)=7.46(10

6

• N=7.46 MNAns.

Ans:

W=78.5 N

W=0.392 mN

W=7.46 MN 2 / 3

2 © 2016 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.

1–2.

Represent each of the following combinations of units in

the correct SI form: (a)

>KN>ms, (b) Mg>mN, and (c)

MN>(kg # ms).Solution (a)   kN>ms=10 3 N>(10 -6 )

s=GN>sAns.(b)   Mg>mN=10 6 g>10 -3 N=Gg>NAns.(c)   MN>(kg# ms)=10 6 N>kg(10 -3 s)=GN>(kg# s)Ans.

Ans:

GN>s Gg>N GN>(kg #

s)

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