# Friction and Static Cling?

• wmrunner24
In summary, static cling occurs when there is friction between two electrically insulating materials under dry conditions with low humidity levels. This is caused by the transfer of electrons between the materials, resulting in a force that pulls the materials together. The nature of this force is still unclear, but it requires the right conditions for it to exist. Friction is one of the possible causes of this force.
wmrunner24

## Homework Statement

Static cling causes your clothes to stick together.
What causes this to happen?

1. the nature of the material
2. external forces to the clothes
3. forces of nature
4. friction created by tumbling clothes

None

## The Attempt at a Solution

My original hunch was the nature of the material, but now, I'm not so sure. I poked around online and discovered that there were three conditions.

"From the above, it can be summarized that static cling occurs if the following conditions are fulfilled:

* When there is friction between two materials
* The two materials are not the same but are electrically insulating
* Dry conditions exist with humidity at very low levels (this is conducive to the transferring of electrons)"

-taken from http://www.whatisstaticcling.com/why_static_cling_occurs.html

So I'm now inclined to believe its either the nature of the material or the friction between them. I'm kinda leaning toward friction, but I'm not sure. Any ideas?

What -force- acts between the two pieces of cloth to pull them together? What is its nature, and what is necessary for it to exist?

Once you answer those two questions, you'll know why friction results in this force appearing.

I would say that both the nature of the material and friction play a role in causing static cling. The nature of the material, specifically its electrical insulating properties, allows for the transfer of electrons between the two materials. This transfer of electrons creates an imbalance of charge, resulting in static cling. Additionally, friction between the two materials can also contribute to the transfer of electrons and the build-up of static electricity. Therefore, both factors are important in causing static cling to occur.

## What is friction?

Friction is a force that resists the motion of objects when they are in contact with each other.

## How does friction occur?

Friction occurs when the microscopic roughness of two surfaces rub against each other, causing resistance to motion.

## What is static cling?

Static cling is a phenomenon where two objects with opposite electrical charges are attracted to each other, causing them to stick together.

## How is static cling different from regular friction?

Static cling is different from regular friction because it is caused by electrical charges, while regular friction is caused by the surface roughness of objects.

## How can friction and static cling be reduced?

Friction can be reduced by using lubricants or by making the surfaces smoother. Static cling can be reduced by using anti-static materials or by grounding the objects to equalize their electrical charges.

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