9. A concentrated load P is supported by two bars as shown below. Bar (1) is made of cold- rolled red brass [E =16,700 ksi; a =10.4 x 10/°F] and has a cross-sectional area of 0.250 in.². Bar (2) is made of 6061-T6 aluminum [E= 10,000 ksi;a=13.1 x 106 /°F] and has a cross-sectional area of 0.425 in.². After load P has been applied and the temperature of the entire assembly has increased by 40°F, the total strain in bar (1) is measured as 1,400 μe (elongation). Determine: (a) the magnitude of load P. (b) the total strain in bar (2).
9. A concentrated load P is supported by two bars as shown below. Bar (1) is made of cold- rolled red brass [E =16,700 ksi; a =10.4 x 10/°F] and has a cross-sectional area of 0.250 in.². Bar (2) is made of 6061-T6 aluminum [E= 10,000 ksi;a=13.1 x 106 /°F] and has a cross-sectional area of 0.425 in.². After load P has been applied and the temperature of the entire assembly has increased by 40°F, the total strain in bar (1) is measured as 1,400 μe (elongation). Determine: (a) the magnitude of load P. (b) the total strain in bar (2).
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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![9. A concentrated load P is supported by two bars as shown below. Bar (1) is made of cold-
rolled red brass [E =16,700 ksi; a =10.4 x 106 /°F] and has a cross-sectional area of
0.250 in.². Bar (2) is made of 6061-T6 aluminum [E= 10,000 ksi;a=13.1 x 106 /°F] and
has a cross-sectional area of 0.425 in.². After load P has been applied and the temperature
of the entire assembly has increased by 40°F, the total strain in bar (1) is measured as
1,400 μe (elongation). Determine:
(a) the magnitude of load P.
(b) the total strain in bar (2).
|
40°
(1)
55°](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F819d3e0a-e266-4033-850c-e43fe39a5a37%2F8a1eddf3-6eb7-44c5-8d1f-85360e991c8b%2F9t8s5q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. A concentrated load P is supported by two bars as shown below. Bar (1) is made of cold-
rolled red brass [E =16,700 ksi; a =10.4 x 106 /°F] and has a cross-sectional area of
0.250 in.². Bar (2) is made of 6061-T6 aluminum [E= 10,000 ksi;a=13.1 x 106 /°F] and
has a cross-sectional area of 0.425 in.². After load P has been applied and the temperature
of the entire assembly has increased by 40°F, the total strain in bar (1) is measured as
1,400 μe (elongation). Determine:
(a) the magnitude of load P.
(b) the total strain in bar (2).
|
40°
(1)
55°
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