A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 9.40 kg. ( see attached photo) Figure 5.39 (a) Calculate the tension in the chain assuming no friction between the legs and the sidewalk. .....................N (b) What force is exerted by each side on the hinge? ......................N (acting horizontally)
A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 9.40 kg. ( see attached photo) Figure 5.39 (a) Calculate the tension in the chain assuming no friction between the legs and the sidewalk. .....................N (b) What force is exerted by each side on the hinge? ......................N (acting horizontally)
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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Question
A sandwich board advertising sign is constructed as shown in Figure 5.39. Its mass is 9.40 kg. ( see attached photo)
Figure 5.39
(a) Calculate the tension in the chain assuming no friction between the legs and the sidewalk.
.....................N
(b) What force is exerted by each side on the hinge?
......................N (acting horizontally)
Transcribed Image Text:### Introduction to Triangular Structure Mechanics
In this educational illustration, we explore the mechanics of a simple triangular structure.
#### Description:
- **Ball at Vertex**: At the apex (top vertex) of the triangle, there is a ball.
- **Dimensions**:
- The structure has two slanting sides, each measuring **75 cm** in length.
- The base of the triangle measures **1 meter** in length.
- The height from the base to the apex, marked with the ball, is **65 cm**.
- From a certain point down on each slanting side, drawn at **55 cm** from the base, there is a line indicating some measurement or possibly a force represented.
#### Reading the Illustration:
1. **Structure's Components**:
- The two slanting sides and the horizontal base constitute the triangle.
- The ball placed at the apex possibly signifies a point of concentration, such as a force or weight.
2. **Base Measurement**:
- The horizontal baseline is **1 meter** in length (100 cm).
3. **Side Measurements**:
- Each slanting side is precisely **75 cm** in length.
4. **Height**:
- The vertical height from the apex (where the ball is) to the base is **65 cm**.
5. **Points of Interest**:
- There is a demarcated point on each slanting side, at a distance of **55 cm** from the base.
#### Potential Applications:
This illustration can serve to:
- Understand the geometric dimensions and relationships in a triangular frame.
- Analyze the forces and stresses in a triangular structure.
- Apply these principles to real-world structures, such as simple trusses, bridges, or support structures.
This simplified illustration of a triangular structure provides a foundational understanding of measurements and basic mechanics, valuable for students studying geometry, physics, or engineering.
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