Q$4(25\%)$ The blank $($shown in Figure $2)$ will be produced by blanking operation from a strip with thickness of $1$ mm $,$ width of $35$ mm $,$ yield strength of $16k\frac{g}{m}{m}^2,$ and shear strength of $20k\frac{g}{m}{m}^2.$

a$)$ Determine the center of pressure for blanking

b$)$ Calculate the required blanking load $($in kg $)$