Bar BC is made of brass which has E = 90 GPa, a = 20 × 10¯6 /°C, and A = 500 mm² Bar ED is made of steel which has E = 200 GPa, a = 12 × 10-6 /°C, and A = 250 mm² . Assume that bar ABD is rigid. The temperature of BC is decreased by 25 °C and the temperature of DE is increased by 25 °C, causing bar ABD to rotate clockwise. E 250 тm Steel B Rigid D B' D' 250 тm 350 тm 300 тm Brass C 1. True or False: SBC = -8DE . Show your solution in your submission. Choose.. + 2. Determine the internal axial force of bar DE. kN

Bar BC is made of brass which has E = 90 GPa, a = 20 × 10¯6 /°C, and A = 500 mm² Bar ED is made of steel which has E = 200 GPa, a = 12 × 10-6 /°C, and A = 250 mm² . Assume that bar ABD is rigid. The temperature of BC is decreased by 25 °C and the temperature of DE is increased by 25 °C, causing bar ABD to rotate clockwise. E 250 тm Steel B Rigid D B' D' 250 тm 350 тm 300 тm Brass C 1. True or False: SBC = -8DE . Show your solution in your submission. Choose.. + 2. Determine the internal axial force of bar DE. kN

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Bar BC is made of brass which has E = 90 GPa, a = 20 × 10¯6 /°C, and A = 500 mm? Bar ED is made of steel which has E = 200 GPa, a = 12 × 10–6 /°C, and A = 250 mm². Assume that bar ABD is rigid. The temperature of BC is decreased by 25 °C and the temperature of DE is increased by 25 °C, causing bar ABD to rotate clockwise. E 250 тт Steel A B Rigid B' D' 250 тm -350 тm- 300 тm Brass C 1. True or False: 8BC = -8DE . Show your solution in your submission. Choose... + 2. Determine the internal axial force of bar DE. kN
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