Concept Simulation 9.1 illustrates how the forces can vary in problems of this type. A hiker, who weighs 935 N, is strolling through the woods and crosses a small horizontal bridge. The bridge is uniform, weighs 4500 N, and rests on two concrete supports, one on each end. He stops 1/4 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) Number i (b) Number i Units Units

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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**Concept Simulation 9.1: Force Analysis on a Bridge**

This simulation demonstrates how forces can vary in different scenarios involving equilibrium. Imagine a hiker weighing 935 N walking through the woods. He arrives at a small, uniform horizontal bridge that weighs 4500 N. This bridge is supported by two concrete piers, one at each end. The hiker stops when he is a quarter of the way across. We need to determine the force exerted by the concrete supports on the bridge at the following points:

(a) At the near end.
(b) At the far end.

These calculations involve understanding the principles of static equilibrium and the distribution of forces. You can input the numerical force magnitudes along with their units in the spaces provided:

(a) Near End: 
- **Number:** [Input Field]
- **Units:** [Dropdown Menu]

(b) Far End:
- **Number:** [Input Field]
- **Units:** [Dropdown Menu]

Understanding these forces can provide insights into structural stability and resource allocation in real-world engineering scenarios.
Transcribed Image Text:**Concept Simulation 9.1: Force Analysis on a Bridge** This simulation demonstrates how forces can vary in different scenarios involving equilibrium. Imagine a hiker weighing 935 N walking through the woods. He arrives at a small, uniform horizontal bridge that weighs 4500 N. This bridge is supported by two concrete piers, one at each end. The hiker stops when he is a quarter of the way across. We need to determine the force exerted by the concrete supports on the bridge at the following points: (a) At the near end. (b) At the far end. These calculations involve understanding the principles of static equilibrium and the distribution of forces. You can input the numerical force magnitudes along with their units in the spaces provided: (a) Near End: - **Number:** [Input Field] - **Units:** [Dropdown Menu] (b) Far End: - **Number:** [Input Field] - **Units:** [Dropdown Menu] Understanding these forces can provide insights into structural stability and resource allocation in real-world engineering scenarios.
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