Problem_07_29 - Problem 7.29 Given: An extruded bar of...

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Problem 7.29 Given: An extruded bar of aluminum has the cross section shown. A 2.10-m length of this bar is used as a simple beam on a span of 2.0 m . A concentrated load of P = 5.0 kN is applied at midlength of the span and makes an angle of φ = 1.4 rad with the x axis. Find: The maximum tensile and compressive stresses. A6 0 m m 10 mm 3 20 mm 10 mm + 2000 mm 2 = := Centroid relative to lower right hand corner x 0 60 mm 10 mm 40 mm 60 mm 10 mm 5 mm + 60 mm 10 mm 30 mm + 20 mm 10 mm 55 mm + A 28 mm = := y 0 60 mm 10 mm 5 mm 60 mm 10 mm 30 mm + 60 mm 10 mm 65 mm + 20 mm 10 mm 50 mm + A 35 mm = := I x 60 mm 10 mm () 3 12 60 mm 10 mm y 0 5mm 2 + 10 mm 60 mm 3 12 + 60 mm 10 mm y 0 30 mm 2 + 60 mm 10 mm 3 12 60 mm 10 mm y 0 65 mm 2 + 10 mm 20 mm 3 12 + 20 mm 10 mm y 0 50 mm 2 + + ... 1.337 10
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This note was uploaded on 01/11/2011 for the course MAE 3040 taught by Professor Mechanicsofsolids during the Spring '10 term at Utah State University.

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