A crane consisting of a vertical post, a horizontal boom, and an inclined brace supports a vertical load of 10,000 lb, as shown in Figure 5.16a. The crane is supported by a pin connection at A. The support at B permits only a horizontal reaction (smooth vertical surface). The members of the crane are pin-connected at points C, D, and E. The members have weights as follows: post, 1400 lb; boom, 1500 lb; and brace, 900 lb. The member weights may be considered to be acting at their respective midpoints. Calculate all the forces acting on each of the three members. Figure 5.16 Framework for Example 5.3. 1111 2'-0" B B 10'- 0" 4'-0" C D F Boom Post 10'- 0" P = 10,000 lb Brace E 2'-0" Activate W
A crane consisting of a vertical post, a horizontal boom, and an inclined brace supports a vertical load of 10,000 lb, as shown in Figure 5.16a. The crane is supported by a pin connection at A. The support at B permits only a horizontal reaction (smooth vertical surface). The members of the crane are pin-connected at points C, D, and E. The members have weights as follows: post, 1400 lb; boom, 1500 lb; and brace, 900 lb. The member weights may be considered to be acting at their respective midpoints. Calculate all the forces acting on each of the three members. Figure 5.16 Framework for Example 5.3. 1111 2'-0" B B 10'- 0" 4'-0" C D F Boom Post 10'- 0" P = 10,000 lb Brace E 2'-0" Activate W
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Calculate the forces
Transcribed Image Text:A crane consisting of a vertical post, a horizontal boom, and an inclined brace supports a vertical load of
10,000 lb, as shown in Figure 5.16a. The crane is supported by a pin connection at A. The support at B
permits only a horizontal reaction (smooth vertical surface). The members of the crane are pin-connected at
points C, D, and E. The members have weights as follows: post, 1400 lb; boom, 1500 lb; and brace, 900
lb. The member weights may be considered to be acting at their respective midpoints. Calculate all the
forces acting on each of the three members.
Figure 5.16
Framework for Example 5.3.
1111
2'-0"
B
B
10'- 0"
4'-0"
C
D
F
Boom
Post
10'- 0"
P = 10,000 lb
Brace
E
2'-0"
Activate W
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