H.W.7A rigid steel bar ABC is supported by three rods. There is no strain in the rods before load P is applied. After load P is applied, the axial strain in rod (1) is 1,200 ue. (a) Determine the axial strain in rods (2). (b) Determine the axial strain in rods (2) if there is a 0.5 mm gap in the connections between rods (2) and the rigid bar before the load is applied.

Elements Of Electromagnetics
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Author:Sadiku, Matthew N. O.
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H.W.7 A rigid steel bar ABC is supported by three rods.
There is no strain in the rods before load P is applied. After
load P is applied, the axial strain in rod (1) is 1,200 µue.
(1)
2,000 mm
(a) Determine the axial strain in rods (2).
(b) Determine the axial strain in rods (2) if there is a 0.5 mm
gap in the connections between rods (2) and the rigid
bar before the load is applied.
520 mm
400 mm
1,250 mm
(2)
Transcribed Image Text:H.W.7 A rigid steel bar ABC is supported by three rods. There is no strain in the rods before load P is applied. After load P is applied, the axial strain in rod (1) is 1,200 µue. (1) 2,000 mm (a) Determine the axial strain in rods (2). (b) Determine the axial strain in rods (2) if there is a 0.5 mm gap in the connections between rods (2) and the rigid bar before the load is applied. 520 mm 400 mm 1,250 mm (2)
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