Problem 5Rigid bar ABCD shown in the figure is supported by asmooth pin at D and by vertical aluminum alloy [E = 10,000ksi] bars attached at joints A and C. Bar (2) was intended tohave a length of 60 in.; however, its actual length afterfabrication was found to be L2= 59.88 in. To connect it tothe pin at C on the rigid bar, bar (2) will need to be manuallystretched by A = 0.12 in. After bar (2) has been stretchedand connected to the pin at C. Use the following additionalproperties and dimensions: A1 = A2 = 0.75 in², Determine:(a) the normal stresses in bars (1) and (2).(b) the deflection at A of the rigid bar.(1)40 in36 inRigid bar54 inP-20kips(2)L₂48 inD

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smooth pin at D and by vertical aluminum alloy [E = 10,000 ksi] bars attached at joints A and C. Bar (2) was intended to have a length of 60 in.; however, its actual length after fabrication was found to be L2 = 59.88 in. To connect it to the pin at C on the rigid bar, bar (2) will need to be mariuaily stretched by A = 0.12 in. After bar (2) has been stretched and connected to the pin at C. Use the following additional properties and dimensions: A1 = A2 = 0.75 in², Determine: (a) the normal stresses in bars (1) and (2). (b) the deflection at A of the rigid bar.

smooth pin at D and by vertical aluminum alloy [E = 10,000 ksi] bars attached at joints A and C. Bar (2) was intended to have a length of 60 in.; however, its actual length after fabrication was found to be L2 = 59.88 in. To connect it to the pin at C on the rigid bar, bar (2) will need to be mariuaily stretched by A = 0.12 in. After bar (2) has been stretched and connected to the pin at C. Use the following additional properties and dimensions: A1 = A2 = 0.75 in², Determine: (a) the normal stresses in bars (1) and (2). (b) the deflection at A of the rigid bar.

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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Question

Problem 5
Rigid bar ABCD shown in the figure is supported by a
smooth pin at D and by vertical aluminum alloy [E = 10,000
ksi] bars attached at joints A and C. Bar (2) was intended to
have a length of 60 in.; however, its actual length after
fabrication was found to be L2= 59.88 in. To connect it to
the pin at C on the rigid bar, bar (2) will need to be manually
stretched by A = 0.12 in. After bar (2) has been stretched
and connected to the pin at C. Use the following additional
properties and dimensions: A1 = A2 = 0.75 in², Determine:
(a) the normal stresses in bars (1) and (2).
(b) the deflection at A of the rigid bar.
(1)
40 in
36 in
Rigid bar
54 in
P-20kips
(2)
L₂
48 in
D

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