2. A wooden beam with a rectangular cross section is simply supported at both ends and it is to carry a point load of 15 kN at the centre. The span is 10 m. Using a N7 80% grade timber from Table 1 and taking all modification factors as unity, design the beam. Table 1: Green grade stresses for groups of species Stresses are applicable to timber with moisture content greater than 18%. All stresses are in N/mm² Strength.
Check attached table.