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Problem 1.9. A member formed by connecting a steel bar to an aluminium bar is shown in Fig. 1.7. Assuming that the bars are prevented from buckling sideways, calculate the magnitude of force P that will cause the total length of the member to decrease 0.25 mm. The values of elastic modulus for steel and aluminium are 2.1 x 10 N/mm² and 7 x 10 N/mm² respectively.

Problem 1.9. A member formed by connecting a steel bar to an aluminium bar is shown in Fig. 1.7. Assuming that the bars are prevented from buckling sideways, calculate the magnitude of force P that will cause the total length of the member to decrease 0.25 mm. The values of elastic modulus for steel and aluminium are 2.1 x 10 N/mm² and 7 x 10 N/mm² respectively.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Problem 1.9. A member formed by connecting a steel bar to an aluminium bar is shown in Fig. 1.7. Assuming that the bars are prevented from buckling sideways, calculate the magnitude of force P that will cause the total length of the member to decrease 0.25 mm. The values of elastic modulus for steel and aluminium are 2.1 x 10 N/mm² and 7 x 10 N/mm² respectively. 30 cm # 38 cm 5 cm x 5 cm Steel bar 10 cm x 10 cm Aluminium bar Fig. 1.7
Transcribed Image Text:Problem 1.9. A member formed by connecting a steel bar to an aluminium bar is shown in Fig. 1.7. Assuming that the bars are prevented from buckling sideways, calculate the magnitude of force P that will cause the total length of the member to decrease 0.25 mm. The values of elastic modulus for steel and aluminium are 2.1 x 10 N/mm² and 7 x 10 N/mm² respectively. 30 cm # 38 cm 5 cm x 5 cm Steel bar 10 cm x 10 cm Aluminium bar Fig. 1.7
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