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## Chapter 5

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

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

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

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

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
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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