1.

Concept Simulation 9.1 illustrates how the forces can vary in problems of this type. A hiker, who weighs 645 N, is strollingthrough the woods and crosses a small horizontal bridge.The bridge is uniform, weighs 3350 N. and rests on two concrete supports, one on each end. He stops U6 of the way along the bridge. What is the magnitude of the force that a concrete support exerts on the bridge (a) at the near end and {b} at the far end? A 1020-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the figure, find (a) the magnitude of the tension in the wire and the magnitudes of the (b) horizontal and (c) vertical components of the force that the wall exerts on the left end of the beam. 50.0 Beam 130.0 1960 N