A simply supported steel beam of length L 5 1.5 m and rectangu-lar cross section (h 5 75 mm, b 5 20 mm) carries a uniform load of q 5 48 kN/m that includes its own weight. The maximum transverse shear stress on the cross section at 0.25 m from the left support is approx-imately:
(A) 20 MPa
(B) 24 MPa
(C) 30 MPa
(D) 36 MPa
(B) 24 MPa
Physics & Space Science
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