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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Rigid bar ABCD is supported by a smoth pin at D and by vertical aluminum alloy [E=10,000 ksi] bars attached at joints A and C. Bar (1) was fabricated to its intended length L1=40 in. 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 Δ=0.12 in. After bar (2) has been stretched and connected to the pin at C, a load P=20 kips is applied to the rigid bar at B. Use the following additional properties and dimensions: A1=A2=0.75 in2, a = 36 in, b =54 in, and c = 48 in. Determin: a) The normal stresses in bars (1) and (2). b) The deflection at A of the rigid bar.
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