A rigid horizontal bar ABC is supported by three vertical rods as shown. The stress free before the load is applied. After the load P is applied, the temper three rods is raised by 110°F. Determine the magnitude of the normal stress Answer in MPa rounded-off to 2 decimal places. Dod (1) F 0 x 10-618 A 500 mm2

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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A rigid horizontal bar ABC is supported by three vertical rods as shown. The system is
stress free before the load is applied. After the load P is applied, the temperature of all
three rods is raised by 110°F. Determine the magnitude of the normal stress in rod (1).
Answer in MPa rounded-off to 2 decimal places.
Rod (1) : E = 105 GPa; a = 22.0 x 10-6/°C A=500 mm²
Rod (2): E = 200 GPa; a = 11.7 x 10-6/°C A=250 mm²
2,100 mm
4,400 mm
(2)
(1)
B
(2)
P = 45 KN
2,100 mm
Transcribed Image Text:A rigid horizontal bar ABC is supported by three vertical rods as shown. The system is stress free before the load is applied. After the load P is applied, the temperature of all three rods is raised by 110°F. Determine the magnitude of the normal stress in rod (1). Answer in MPa rounded-off to 2 decimal places. Rod (1) : E = 105 GPa; a = 22.0 x 10-6/°C A=500 mm² Rod (2): E = 200 GPa; a = 11.7 x 10-6/°C A=250 mm² 2,100 mm 4,400 mm (2) (1) B (2) P = 45 KN 2,100 mm
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