Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2)., as shown in Fig. P2.2-11. The rods are initially the same length L= 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, 1.5 in., 1, = 0.75 in.) and (w, = 2.0 in. I, 1.0 in.), respectively. (a) At what location, b. must the load P act if the axial stress in the two bars is to be the same, i.e., o, = o,? (b) What is the mag- nitude of this tensile stress if a load of P = 40 kips is applied at the location determined in Part (a)? 4.5 ft (1) (2) 6 ft Rigid, weightless C D.
Prob. 2.2-11. A rigid, weightless beam BD supports a load P and is, in turn, supported by two hanger rods, (1) and (2)., as shown in Fig. P2.2-11. The rods are initially the same length L= 6 ft and are made of the same material. Their rectangu- lar cross sections have original dimensions (w, 1.5 in., 1, = 0.75 in.) and (w, = 2.0 in. I, 1.0 in.), respectively. (a) At what location, b. must the load P act if the axial stress in the two bars is to be the same, i.e., o, = o,? (b) What is the mag- nitude of this tensile stress if a load of P = 40 kips is applied at the location determined in Part (a)? 4.5 ft (1) (2) 6 ft Rigid, weightless C D.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
Related questions
Question
![Prob. 2.2-11. A rigid, weightless beam BD supports a load P
and is, in turn, supported by two hanger rods, (1) and (2), as
shown in Fig. P2.2-11. The rods are initially the same length
L= 6 ft and are made of the same material. Their rectangu-
lar cross sections have original dimensions (w, 1.5 in., 1, =
0.75 in.) and (w, = 2.0 in. t, 1.0 in.), respectively. (a) At
what location, b, must the load P act if the axial stress in the
two bars is to be the same, i.e., a, = o,? (b) What is the mag-
nitude of this tensile stress if a load of P = 40 kips is applied
at the location determined in Part (a)?
4.5 ft
(1)
(2)
6 ft
Rigid, weightless
C
D.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fbbb33668-0778-4c3e-8d0a-a25837d69257%2F06818ce3-96cf-4883-9cb7-282e2fd5d1e7%2Fobji3q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Prob. 2.2-11. A rigid, weightless beam BD supports a load P
and is, in turn, supported by two hanger rods, (1) and (2), as
shown in Fig. P2.2-11. The rods are initially the same length
L= 6 ft and are made of the same material. Their rectangu-
lar cross sections have original dimensions (w, 1.5 in., 1, =
0.75 in.) and (w, = 2.0 in. t, 1.0 in.), respectively. (a) At
what location, b, must the load P act if the axial stress in the
two bars is to be the same, i.e., a, = o,? (b) What is the mag-
nitude of this tensile stress if a load of P = 40 kips is applied
at the location determined in Part (a)?
4.5 ft
(1)
(2)
6 ft
Rigid, weightless
C
D.
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