Rigid bar ABCD is loaded and supported as shown. Steel [E = 28800 ksi] bars (1) and (2) are unstressed before the load P is applied. Bar (1) has a cross-sectional area of 0.62 in.2 and bar (2) has a cross-sectional area of 0.3 in.2. After load P is applied, the strain in bar (1) is found to be 610 μe. Assume L₁-59 in., L2=98 in., a=39 in., b=26 in., and c=24 in. Determine: (a) the stresses in bars (1) and (2). (b) the vertical deflection VD of point D on the rigid bar. (c) the load P. 4 (2) (1) B LA a L2 b C D P
Rigid bar ABCD is loaded and supported as shown. Steel [E = 28800 ksi] bars (1) and (2) are unstressed before the load P is applied. Bar (1) has a cross-sectional area of 0.62 in.2 and bar (2) has a cross-sectional area of 0.3 in.2. After load P is applied, the strain in bar (1) is found to be 610 μe. Assume L₁-59 in., L2=98 in., a=39 in., b=26 in., and c=24 in. Determine: (a) the stresses in bars (1) and (2). (b) the vertical deflection VD of point D on the rigid bar. (c) the load P. 4 (2) (1) B LA a L2 b C D P
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![Rigid bar ABCD is loaded and supported as shown. Steel [E = 28800 ksi] bars (1) and (2) are unstressed before the load P is applied. Bar
(1) has a cross-sectional area of 0.62 in.2 and bar (2) has a cross-sectional area of 0.3 in.2. After load P is applied, the strain in bar (1) is
found to be 610 μe. Assume L₁=59 in., L2=98 in., a=39 in., b=26 in., and c=24 in. Determine:
(a) the stresses in bars (1) and (2).
(b) the vertical deflection VD of point D on the rigid bar.
(c) the load P.
W
(2)
(1)
L₁
a
B
L2
b
C
D
P](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F40b2cc30-5cc2-48fd-a55c-f5d4fa81a370%2Fdda4f919-e433-44f7-a210-102c35b7addc%2F9vrz1ug_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Rigid bar ABCD is loaded and supported as shown. Steel [E = 28800 ksi] bars (1) and (2) are unstressed before the load P is applied. Bar
(1) has a cross-sectional area of 0.62 in.2 and bar (2) has a cross-sectional area of 0.3 in.2. After load P is applied, the strain in bar (1) is
found to be 610 μe. Assume L₁=59 in., L2=98 in., a=39 in., b=26 in., and c=24 in. Determine:
(a) the stresses in bars (1) and (2).
(b) the vertical deflection VD of point D on the rigid bar.
(c) the load P.
W
(2)
(1)
L₁
a
B
L2
b
C
D
P
Transcribed Image Text:Answers:
(a) 0₁ =
(b) VD =
(c) P = i
i
L
(1)
B
L2
b
(2)
C
ksi, 02 = i
in.
kips.
D
W
ksi.
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