A pin-connected structure is supported and loaded as shown. Member ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.². If the normal stress in bar (1) must be limited to 30 ksi, determine the maximum load P that may be applied to the rigid bar. 80 in. 54 in. O 71.5 kips O 51.7 kips O 66.3 kips 76.5 kips O 56.3 kips (1) B 120 in. 54 in. (2) с 24 in. D P
A pin-connected structure is supported and loaded as shown. Member ABCD is rigid and is horizontal before the load P is applied. Bars (1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.². If the normal stress in bar (1) must be limited to 30 ksi, determine the maximum load P that may be applied to the rigid bar. 80 in. 54 in. O 71.5 kips O 51.7 kips O 66.3 kips 76.5 kips O 56.3 kips (1) B 120 in. 54 in. (2) с 24 in. D P
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![A pin-connected structure is supported and loaded as shown. Member ABCD is rigid and is horizontal before the load P is applied. Bars
(1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.². If the normal stress in bar (1)
must be limited to 30 ksi, determine the maximum load P that may be applied to the rigid bar.
80 in.
54 in.
O 71.5 kips
O 51.7 kips
O 66.3 kips
76.5 kips
O 56.3 kips
(1)
B
120 in.
54 in.
(2)
с
24 in.
D
P](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F466d94e1-97df-4a00-95e6-b60e9d836f23%2Fe4523c31-f5ca-40c2-9aec-53c4178007d9%2Fspb8h6u_processed.png&w=3840&q=75)
Transcribed Image Text:A pin-connected structure is supported and loaded as shown. Member ABCD is rigid and is horizontal before the load P is applied. Bars
(1) and (2) are both made from steel [E = 30,000 ksi] and both have a cross-sectional area of 1.25 in.². If the normal stress in bar (1)
must be limited to 30 ksi, determine the maximum load P that may be applied to the rigid bar.
80 in.
54 in.
O 71.5 kips
O 51.7 kips
O 66.3 kips
76.5 kips
O 56.3 kips
(1)
B
120 in.
54 in.
(2)
с
24 in.
D
P
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