GATE Civil Engineering (CE) 2015 Shift 2 Solved Paper

A steel strip of length, L = 200 mm is fixed at end A and rests at B on a vertical spring of stiffness, K = 2 N/mm. The steel strip is 5 mm wide and 10 mm thick. A vertical load, P = 50 N is applied at B, as shown in the figure. Considering E = 200 GPa, the force (in N) developed in the spring is __________.