The steel tie bar shown is to be designed to carry a tension force of magnitudeP 5 120 kN when bolted between double brackets at A and B. The bar willbe fabricated from 20-mm-thick plate stock. For the grade of steel to be used,the maximum allowable stresses are: s 5 175 MPa, t 5 100 MPa, sb 5350 MPa. Design the tie bar by determining the required values of (a) thediameter d of the bolt, (b) the dimension b at each end of the bar, (c) thedimension h of the bar. B.