# Bucket supported by wood frame and tension wire

• Engineering
• SShep71
In summary, the conversation discusses a homework problem and a YouTube video providing a solution. The person asking the question is curious about the approach taken in the solution, specifically regarding the diagonal support and its horizontal force on the main vertical member. They also mention their own approach of analyzing problems from a top-down perspective.
SShep71
Homework Statement
A 160-lb bucket is suspended from a cable on the wooden frame.

Determine the magnitude of the resultant internal normal force acting on the cross section at E
Determine the magnitude of the resultant internal shear force acting on the cross section at E
Determine the magnitude of the resultant internal bending moment acting on the cross section at E
Relevant Equations
Sum of forces (x and y)
Moment about "E"
Attached is an image of the HW problem, included is a YouTube video I found for a solution.
Assuming the solution shown is correct my question is about the rest of the system. I always approached problems from a top down "total system" perspective. Then try to isolate the portions of the system that are irrelevant for what I am solving. In this problem, the diagonal support for the cantilevered beam "G-H" would carry and transmit a resultant horizontal force into the main vertical member "A-B". Yet this solution and consequently the homework does not address this force. Why is the "x" component of the G-H force ignored?

#### Attachments

• media_06e_06eb016e-74ae-4130-b5ab-7c721a04b5d6_phpbjLkqa.png
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Let's see how you would analyze the problem, including the compressive force on GH?

## 1. How does the tension wire contribute to the stability of the bucket supported by a wood frame?

The tension wire provides additional support by counteracting the forces exerted on the bucket, distributing the load more evenly across the wood frame. This helps prevent the frame from bending or breaking under the weight of the bucket, thereby enhancing overall stability.

## 2. What materials are typically used for the tension wire in such a setup?

Tension wires are usually made from high-strength materials such as galvanized steel, stainless steel, or other durable metals. These materials are chosen for their ability to withstand significant tensile forces without stretching or breaking.

## 3. How do you determine the appropriate tension for the wire in this setup?

The appropriate tension for the wire can be determined by calculating the load the bucket will carry and considering the tensile strength of the wire material. Generally, the wire should be taut enough to provide support without sagging but not so tight that it risks snapping under the load.

## 4. What are the common applications for a bucket supported by a wood frame and tension wire?

This setup is commonly used in applications such as well-buckets for drawing water, construction sites for lifting materials, and in agricultural settings for handling feed or other supplies. The design is valued for its simplicity and effectiveness in various lifting and support tasks.

## 5. How do you maintain the integrity of the wood frame over time?

To maintain the integrity of the wood frame, it is important to regularly inspect for signs of wear, rot, or insect damage. Applying a protective sealant or paint can help shield the wood from environmental factors. Additionally, ensuring that the tension wire remains properly adjusted can prevent undue stress on the wood structure.

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