PROBLEM 6 The vertical shear force acting on the beam cross section that is
5cmwide and
10cmhigh is
V=2500N. (1) Determine the maximum shear stress by two methods:
\tau _(max)=3(V)/(2A)and
\tau =V(Q)/(Ib). (2) Calculate the shear stress at a point
Pthat is
1.5cmbelow the top of the section.