Exerting torque on an extension spring to overcome friction in a helical tube

In summary, exerting torque on an extension spring helps to compress or expand the spring, creating tension that helps to overcome the friction between the spring and the helical tube. Friction is the force that resists motion in a helical tube, and it is important to overcome it for smooth and efficient movement of the spring. Torque is typically applied using a rotating device, but other methods such as lubrication or using low-friction materials can also help reduce friction in the tube.
  • #1
bill nye scienceguy!
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Does anyone know of an equation that models the build up of potential energy in an extension spring induced by twisting it when its motion is otherwise constrained in the transverse direction?
 
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  • #2
You could calculate the strain energy due to bending the spring into a larger (or smaller) radius from the torsion. If it doesn't plastically deform the spring, the strain energy would be that increase in potential energy.
 
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1. How does exerting torque on an extension spring help overcome friction in a helical tube?

When a torque is applied to an extension spring, it causes the spring to compress or expand, depending on the direction of the force. This compression or expansion creates tension in the spring, which helps to overcome the friction between the spring and the helical tube. This allows for smoother movement and less resistance within the tube.

2. What is the role of friction in a helical tube?

Friction is the force that resists motion when two surfaces are in contact. In the case of a helical tube, friction occurs between the surface of the tube and the extension spring. This friction can impede the movement of the spring and cause it to get stuck or move slower. It can also cause wear and tear on the spring and the tube over time.

3. Why is it important to overcome friction in a helical tube?

Overcoming friction in a helical tube is important because it allows for smooth and efficient movement of the extension spring. If friction is not overcome, it can cause the spring to get stuck or move slowly, which can affect the overall function of the system. It can also cause damage to the spring and the tube, leading to costly repairs or replacements.

4. How is torque applied to an extension spring in a helical tube?

Torque is typically applied to an extension spring in a helical tube using a rotating device or tool, such as a wrench or screwdriver. The force is applied to the end of the spring, causing it to compress or expand and create tension. This tension helps to overcome the friction within the tube and allows for smoother movement.

5. Are there any other methods for reducing friction in a helical tube?

Yes, there are other methods for reducing friction in a helical tube. One common method is to use lubricants, such as oil or grease, on the surface of the tube and the extension spring. This helps to reduce the friction between the two surfaces and allows for smoother movement. Another method is to use materials with low coefficients of friction, such as Teflon or nylon, for the tube and spring. These materials are designed to minimize friction and can be effective in reducing resistance in the helical tube.

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