0.5 m 0.5 m 8 kN B Q4[B] 3 m 0.5 m -1.5 m 6 kN (Figure 5) S 5 kN 12 B FB-1-60jl 2 12. Fc-1-40i) FA-1-80k) (Figure 6) Replace the three forces acting on the plate by a wrench. Specify the magnitude of the force and couple moment for the wrench and the point P(y, z) where its line of action intersects the plate. All dimensions shown are in cm and all forces shown are in N. (Figure 6)