12. A cantilever beam AB, loaded by a uniform load and a concentrated load, is constructed of a channel section. Find the maximum tensile stress o, and maximum compressive stress o, if the cross section has the dimensions indicated and the moment of inertia about the z axis (the neutral axis) is I = 130 cm". Note: The uniform load represents the weight of the beam. [ Ans : G, = 105.8 MPa ; 6. = 28.8 MPa ]

Elements Of Electromagnetics
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12. A cantilever beam AB, loaded by a uniform load and a
320 N/m
concentrated load, is constructed of a channel section.
Find the maximum tensile stress o, and maximum compressive stress
ac if the cross section has the dimensions indicated and the moment of
inertia about the z axis (the neutral axis) is I = 130 cm*.
Note: The uniform load represents the weight of the beam.
1.5 m
15 mm
[ Ans : a, = 105.8 MPa ; 6e = 28.8 MPa ]
55 mm
Transcribed Image Text:1 kN 12. A cantilever beam AB, loaded by a uniform load and a 320 N/m concentrated load, is constructed of a channel section. Find the maximum tensile stress o, and maximum compressive stress ac if the cross section has the dimensions indicated and the moment of inertia about the z axis (the neutral axis) is I = 130 cm*. Note: The uniform load represents the weight of the beam. 1.5 m 15 mm [ Ans : a, = 105.8 MPa ; 6e = 28.8 MPa ] 55 mm
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