Determine the stress in each section of the bar shown in Fig. when subjected to an axial tensile load of 20 kN. The central section is 30 mm square cross-section; the other portions are of circular section; their diameters being indicated. What will be the total extension of the bar? For the bar material E = 210GPa. 20KN 20m (1) 30mm 250mm 30mm (2) 100mm 15mm 400mm 20KN

Structural Analysis
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Chapter2: Loads On Structures
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H.W 5.1
Determine the stress in each section of the bar shown in Fig. when subjected to an axial tensile
load of 20 kN. The central section is 30 mm square cross-section; the other portions are of
circular section; their diameters being indicated. What will be the total extension of the bar?
For the bar material E = 210GPa.
20KN
20mm
1
30mm
250mm
-30mm
(2)
100mm
15mm
400mm
20KN
Transcribed Image Text:H.W 5.1 Determine the stress in each section of the bar shown in Fig. when subjected to an axial tensile load of 20 kN. The central section is 30 mm square cross-section; the other portions are of circular section; their diameters being indicated. What will be the total extension of the bar? For the bar material E = 210GPa. 20KN 20mm 1 30mm 250mm -30mm (2) 100mm 15mm 400mm 20KN
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