buckaroo3977 buckaroo3977

09-01-2024
Physics

contestada

If members AB and BE of the truss consist of 25-mm-diameter steel rods (E = 200 GPa) and P = 78 kN, what is the stress in the rods?
a) 198.9 MPa
b) 237.1 MPa
c) 251.3 MPa
d) 316.4 MPa

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