The Figure below shows a two-member truss supporting a block of weight W. The cross-sectional areas of the members are 800 mm² for AB and 400 mm² for AC. Determine the maximum safe value of W (kN) if the working stresses are 110 MPa for AB and 120 MPa for AC. в 40 deg. 60 deg. A (А) 38.90 (в) 55.30 61.70 76.2

Structural Analysis
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Chapter2: Loads On Structures
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The Figure below shows a two-member truss supporting a block of weight W. The
cross-sectional areas of the members are 800 mm² for AB and 400 mm² for AC.
Determine the maximum safe value of W (kN) if the working stresses are 110 MPa
for AB and 120 MPa for AC.
...
B
40 deg.
A
60 deg.
A) 38.90
в) 55.30
61.70
76.2
Transcribed Image Text:The Figure below shows a two-member truss supporting a block of weight W. The cross-sectional areas of the members are 800 mm² for AB and 400 mm² for AC. Determine the maximum safe value of W (kN) if the working stresses are 110 MPa for AB and 120 MPa for AC. ... B 40 deg. A 60 deg. A) 38.90 в) 55.30 61.70 76.2
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