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A sandwich board advertising sign is constructed as shown in the figure below. The sign's mass is 8.10 kg. a. Calculate the tension in newtons in the chain assuming no friction between the legs and the sidewalk. b. What force is exerted in newtons by each side on the hinge?

A sandwich board advertising sign is constructed as shown in the figure below. The sign's mass is 8.10 kg. a. Calculate the tension in newtons in the chain assuming no friction between the legs and the sidewalk. b. What force is exerted in newtons by each side on the hinge?

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A sandwich board advertising sign is constructed as shown in the figure below.
The sign's mass is 8.10 kg.
a. Calculate the tension in newtons in the chain assuming no friction between the legs and the sidewalk.
b. What force is exerted in newtons by each side on the hinge?
The image illustrates a diagram of an A-frame structure consisting of two uniform boards joined at the top by a hinge. Below are the details described in the image: 1. **Hinge**: At the top, the two boards are connected by a hinge, allowing them to pivot. 2. **Chain**: A chain is depicted, providing support between the boards. 3. **Measurements and Dimensions**: - The vertical distance from the hinge to the floor is 1.30 meters. - Each board is labeled with "CG" to indicate the center of gravity. - The horizontal separation between the points where the boards meet the ground is 1.10 meters. - The distance from the hinge to where the chain attaches is noted as 0.50 meters. 4. **Uniform Board**: Each board is described as being uniform, with the center of gravity (CG) located at the central point of the board. This setup can be used to study the balance of forces and the distribution of weight in a simple mechanical system.
Transcribed Image Text:The image illustrates a diagram of an A-frame structure consisting of two uniform boards joined at the top by a hinge. Below are the details described in the image: 1. **Hinge**: At the top, the two boards are connected by a hinge, allowing them to pivot. 2. **Chain**: A chain is depicted, providing support between the boards. 3. **Measurements and Dimensions**: - The vertical distance from the hinge to the floor is 1.30 meters. - Each board is labeled with "CG" to indicate the center of gravity. - The horizontal separation between the points where the boards meet the ground is 1.10 meters. - The distance from the hinge to where the chain attaches is noted as 0.50 meters. 4. **Uniform Board**: Each board is described as being uniform, with the center of gravity (CG) located at the central point of the board. This setup can be used to study the balance of forces and the distribution of weight in a simple mechanical system.
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