Design a system that will control the traffic light of an intersection between a busy street (let’s call that main) and a less busy one (say, side street). normally, the light is red for the side street and green for main, but if a car sensor in the side street (e. g. car_side) is asserted high, a transition is triggered. the transition should be as follows:

Afoot bridge is made as a simple deck, 4 m long, with a cross section 2 m (wide) and 20 cm thick, and made of wood. the deck is supported at the two ends. the maximum load allowable on the bridge is 10 tons, provided it is uniformly distributed on the deck. to sense this load, a strain gauge is placed at the center of the bridge and its resistance is monitored. if the sensor has a nominal resistance of 350 s2 and a gauge factor of 3.6, what is the reading of the strain gauge at maximum load? the modulus of elasticity for the wood used in the construction is 10 gpa.