Stress at any section in a prismatic beam is given by, \({\tau _v} = \frac{{{V_u} \pm \frac{{{M_u}}}{d}\tan \beta }}{{b \times d}}\)
where
Vu ⇒ Shear Force at a section
Mu ⇒ Bending moment at a section
b ⇒ width of the beam
d ⇒ depth of the beam
β ⇒ inclined of the member w.r.t horizontal
Which of the following sentence is correct regarding the above formula?
1
‘+’ if the depth of a beam increases with increasing bending moment
2
‘-‘ if the depth of a beam increases with increasing bending moment
3
‘+’ if the depth of a beam decreases with decreasing bending moment
4
‘-‘ if the depth of a beam decreases with increasing bending moment