The 40-kip vertical load at Joint C in the steel truss shown below produces the forces given in the accompanying table. The cross-sectional area of each member is 4.0 in?, and the length of cach member is given in the table. The elastic modulus of steel is 29.000 ksi. The downward vertical displacement (in.) of Joint C is most nearly: Member Force, F Length, L FL (kips) (in.) AE AB 50.0 240 0.1034 BC 49.2 473 0.2008 CD -75.0 480 -0.3103 AD -30.0 288 -0.0745 BD -25.0 240 -0.0517
The 40-kip vertical load at Joint C in the steel truss shown below produces the forces given in the accompanying table. The cross-sectional area of each member is 4.0 in?, and the length of cach member is given in the table. The elastic modulus of steel is 29.000 ksi. The downward vertical displacement (in.) of Joint C is most nearly: Member Force, F Length, L FL (kips) (in.) AE AB 50.0 240 0.1034 BC 49.2 473 0.2008 CD -75.0 480 -0.3103 AD -30.0 288 -0.0745 BD -25.0 240 -0.0517
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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he 40-Kip vertical load at Joint C i the stec ying table. The cross-sectional ay er is given in the table. The elastic t (in.) of Joint C is most ‘nearl; FE CIvIL PRACTICE EXAM iven in the el truss shown below produces the foroles e rea of each member is 4.0 in’, and the length S modulus of steel is 29,000 ksi. The downward y: Member Rorce ki Length, L (kips) i AB 500 BC 492 cp 750 AD -30.0 BD 2250
Transcribed Image Text:FE CIVIL PRACTICE EXAM
57.
The 40-kip vertical load at Joint C in the steel truss shown below produces the forces given in the
accompanying table. The cross-sectional area of each member is 4.0 in?, and the length of each
member is given in the table. The elastic modulus of steel is 29.000 ksi. The downward vertical
displacement (in.) of Joint C is most nearly:
Member
Force, F
Length, L
FL
(kips)
(in.)
AE
AB
50.0
240
0.1034
ВС
49.2
473
0.2008
CD
-75.0
480
-0.3103
AD
-30.0
288
-0.0745
BD
-25.0
240
0.0517
40 kips
32.0 ft
16.0 ft
D.
24.0 ft
24.0 ft
OA.
O B.
1.046
0.294
O C.
D.
0.132
0.102
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