Consider the simply supported beam shown below. The beam is loaded by a triangularly distributed load with value zero (at the left pin support) and maximum value W = 5.5 kN/m (at a distance 8m from the pin support) and thereafter a constant UDL across to the right roller support, as shown in the diagram below. Determine the reaction force at the roller end. Assume a vertical reaction to be positive. Give answer in the form of kN to 1 decimal place. A 8m 18m FOT W kN/m