An aluminum bar having a cross-sectional area of 160 mm? carries the axial loads as shown in the Figure below. Assume that the bar is suitably braced to prevent buckling and E = 70000 MPa. The length of each bars are follow: B1 = 0.8 m; B2 = 1.0 m; B3= 0.6 m. Determine the axial stress of bar B1 in MPa. 35KN B1 B2 B3 ... 10KN 15KN 30KN (A) 218.75 (в) 125 c) 62.5 D) 31.25

Structural Analysis
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Chapter2: Loads On Structures
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An aluminum bar having a cross-sectional area of 160 mm? carries the axial loads as shown in the Figure below. Assume that the bar is suitably braced
to prevent buckling and E = 70000 MPa. The length of each bars are follow: B1 = 0.8 m; B2 = 1.0 m; B3= 0.6 m. Determine the axial stress of bar B1 in
MPa.
35KN
B1
B2
B3
...
10KN
15KN
30KN
(A) 218.75
(в) 125
c) 62.5
D) 31.25
Transcribed Image Text:An aluminum bar having a cross-sectional area of 160 mm? carries the axial loads as shown in the Figure below. Assume that the bar is suitably braced to prevent buckling and E = 70000 MPa. The length of each bars are follow: B1 = 0.8 m; B2 = 1.0 m; B3= 0.6 m. Determine the axial stress of bar B1 in MPa. 35KN B1 B2 B3 ... 10KN 15KN 30KN (A) 218.75 (в) 125 c) 62.5 D) 31.25
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