(3) A beam having the cross-section (dimensions in mm) shown in the figure below is subjected to a vertical shear force

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3 A Beam Having The Cross Section Dimensions In Mm Shown In The Figure Below Is Subjected To A Vertical Shear Force 1 (45.47 KiB) Viewed 31 times

(3) A beam having the cross-section (dimensions in mm) shown in the figure below is subjected to a vertical shear force V=400 N. The cross-section has a constant wall thickness 1 = 1=4 mm and the second moment of area 1, = 106 mm". Which of the following statements is incorrect for this beam? b a 60 d Z 다 60 80 40 (A) The shear stress at point bis 1.2 MPa. (B) The maximum shear stress occurs at point d. (C) The shear stress varies nonlinearly on the inclined part from point b to point d. (D) The minimum shear stress occurs at point