1. A light Tail train track has been designed to follow the route specified in the diagram below. A rectangular route where the corners are smooth turns with a radius of 75m. A fully loaded train is expected to weight 250 tonnes. 0.5km 0.5km - 10.5km 0.75km 0.4km 2km R=75m 0.5km K€– 0.5km a. The corners of the tracks are banked by 7°. If the trains are expected to turn at a constant speed of 15ms-1, how much lateral force is the track expected to withstand?