A hiker, who weighs 916 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs3060 N, and rests on two concrete supports, one on each end. Hestops 1/4 of the way along the bridge. What is the magnitude of theforce that a concrete support exerts on the bridge(a) at the near end and (b) atthe far end?