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A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a = 2.9 × 10º/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 x 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1).

A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a = 2.9 × 10º/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 x 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1).

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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X Your answer is incorrect. A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a= 2.9 × 10-6/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 × 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). (2) (1) 8 ft 6 ft B C 2.5 ft 3 ft 1.5 ft 6.30 kips O 7.66 kips O 8.23 kips O 5.91 kips 6.89 kips
Transcribed Image Text:X Your answer is incorrect. A load P will be supported by a structure consisting of a rigid bar ABCD, a polymer [E = 2,300 ksi; a= 2.9 × 10-6/°F] bar (1) and an aluminum alloy [E = 10,000 ksi; a = 12.5 × 10-6/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P = 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). (2) (1) 8 ft 6 ft B C 2.5 ft 3 ft 1.5 ft 6.30 kips O 7.66 kips O 8.23 kips O 5.91 kips 6.89 kips
X Your answer is incorrect. A load Pwill be supported by a structure consisting of a rigid bar ABCD, a polymer [E - 2,300 ksi; a - 2.9 x 106/°F] bar (1) and an aluminum alloy [E - 10,000 ksi; a - 12.5 x 106/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P= 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). (2) (1) 8 ft 6 ft 2.5 ft 3 ft 1.5 ft 6.30 kips O 7.66 kips 8.23 kips O 5.91 kips O 6.89 kips
Transcribed Image Text:X Your answer is incorrect. A load Pwill be supported by a structure consisting of a rigid bar ABCD, a polymer [E - 2,300 ksi; a - 2.9 x 106/°F] bar (1) and an aluminum alloy [E - 10,000 ksi; a - 12.5 x 106/°F] bar (2), as shown. Each bar has a cross-sectional area of 2.00 in.?. The bars are unstressed when the structure is assembled at 30°F. After a concentrated load of P= 60 kips is applied and the temperature is increased to 100°F, determine the normal force in bar (1). (2) (1) 8 ft 6 ft 2.5 ft 3 ft 1.5 ft 6.30 kips O 7.66 kips 8.23 kips O 5.91 kips O 6.89 kips
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