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Chapter 5


Hierarchy of files

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Catégorie :Category: mViewer GX Creator Lua TI-Nspire
Auteur Author: julianis05
Type : Classeur 3.6
Page(s) : 62
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5 Solutions 44918 1/23/09 5:11 PM Page 320




© 2010 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.



•5–1. Draw the free-body diagram of the 50-kg paper roll
which has a center of mass at G and rests on the smooth
blade of the paper hauler. Explain the significance of each
force acting on the diagram. (See Fig. 5–7b.) 35 mm

G
B
A
30




5–2. Draw the free-body diagram of member AB, which is 390 lb
supported by a roller at A and a pin at B. Explain the
significance of each force on the diagram. (See Fig. 5–7b.) 13 12
800 lb  ft 5
A

8 ft 4 ft 3 ft
30 B




320
5 Solutions 44918 1/23/09 5:11 PM Page 321




© 2010 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.



5–3. Draw the free-body diagram of the dumpster D of the
truck, which has a weight of 5000 lb and a center of gravity
at G. It is supported by a pin at A and a pin-connected
hydraulic cylinder BC (short link). Explain the significance
of each force on the diagram. (See Fig. 5–7b.) G 1.5 m
D
1m
3m
B
A 30 C
20




*5–4. Draw the free-body diagram of the beam which
supports the 80-kg load and is supported by the pin at A and D
a cable which wraps around the pulley at D. Explain the
significance of each force on the diagram. (See Fig. 5–7b.) 5
4
3




A B E
C

2m 2m 1.5 m




321
5 Solutions 44918 1/23/09 5:11 PM Page 322




© 2010 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.



•5–5. Draw the free-body diagram of the truss that is B
supported by the cable AB and pin C. Explain the significance
of each force acting on the diagram. (See Fig. 5–7b.)



30 A



2m

C


3 kN 4 kN
2m 2m 2m




5–6. Draw the free-body diagram of the crane boom AB
which has a weight of 650 lb and center of gravity at G. The 12 ft
boom is supported by a pin at A and cable BC. The load of
B
1250 lb is suspended from a cable attached at B. Explain
the significance of each force acting on the diagram. (See 18 ft
13
Fig. 5–7b.) 5
12 G
C


30
A




322
5 Solutions 44918 1/23/09 5:11 PM Page 323




© 2010 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.



5–7. Draw the free-body diagram of the “spanner 20 lb
wrench” subjected to the 20-lb force. The support at A can A
be considered a pin, and the surface of contact at B is
smooth. Explain the significance of each force on the
diagram. (See Fig. 5–7b.)
1 in. B


6 in.




*5–8. Draw the free-body diagram of member ABC which D
C
is supported by a smooth collar at A, roller at B, and short 2.5 kN
link CD. Explain the significance of each force acting on the
diagram. (See Fig. 5–7b.) 3m
60 4 kN  m

A B
...

Archive contentsContenu de l'archive

Action(s) SizeTaille FileFichier
1.64 Ko KB readme.txt
92.39 Ko KB Chapter_5/61-62.tns
449.08 Ko KB Chapter_5/31-40.tns
454.54 Ko KB Chapter_5/51-60.tns
464.95 Ko KB Chapter_5/01-10.tns
447.81 Ko KB Chapter_5/11-20.tns
468.57 Ko KB Chapter_5/21-30.tns
456.02 Ko KB Chapter_5/41-50.tns

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