# Friction Coefficient of Marble & Iron on Plastic

• I
• xWaldorf
In summary, the friction coefficient between marble and plastic, as well as iron and plastic, depends on various factors such as the type and surface finish of the materials. Published information on these values may not be readily available, so conducting your own measurements using a simple test is recommended. A good search term for further information is "measure friction coefficient with ramp".
xWaldorf
hey, i was looking for information on friction coefficient of marble on plastic and iron on plastic.
if you know these values i'll be very glad!

The friction coefficient depends on the type of plastic, the surface finish of the plastic, and the surface finish of the marble or iron. It may depend on the contact pressure. Do not expect to find any usable published information.

This is a case where you need to measure it yourself. Fortunately, it is an easy test. You take a flat piece of one material, set a piece of the other material on it, tip the flat piece until the other piece sloowwly slides down, then measure the ramp angle. The tangent of that angle is your friction coefficient. Good search term for deeper discussion is measure friction coefficient with ramp.

berkeman, Lnewqban and hutchphd

## 1. What is the definition of friction coefficient?

The friction coefficient is a measure of the amount of resistance between two surfaces in contact with each other. It is a dimensionless number that indicates the ratio of the force required to move an object over a surface to the force pressing the two surfaces together.

## 2. How is the friction coefficient of marble and iron on plastic determined?

The friction coefficient is determined by conducting experiments in which a known force is applied to the surfaces and the resulting frictional force is measured. The ratio of these two forces gives the friction coefficient. This process is repeated multiple times to get an average value.

## 3. What factors can affect the friction coefficient of marble and iron on plastic?

The friction coefficient can be affected by several factors such as the roughness of the surfaces, the amount of force applied, the temperature, and the type of material. In the case of marble and iron on plastic, the smoothness of the marble and the type of plastic can also play a role.

## 4. Is the friction coefficient of marble and iron on plastic constant?

No, the friction coefficient can vary depending on the conditions and factors mentioned above. It can also change over time due to wear and tear on the surfaces. Therefore, it is important to conduct experiments under controlled conditions to get an accurate and consistent friction coefficient.

## 5. Why is the friction coefficient of different materials important to know?

The friction coefficient is an important parameter in engineering and physics as it affects the movement and stability of objects. It is also crucial in designing and selecting materials for different applications, such as in machinery and transportation. Knowing the friction coefficient can help in predicting and controlling the behavior of objects in contact with each other.

• Mechanics
Replies
26
Views
558
• Chemistry
Replies
7
Views
1K
• Mechanics
Replies
7
Views
889
• Mechanical Engineering
Replies
14
Views
1K
• Mechanics
Replies
71
Views
8K
• Mechanics
Replies
50
Views
9K
• Mechanics
Replies
2
Views
3K
• Mechanics
Replies
15
Views
1K
• Mechanics
Replies
1
Views
823
• Mechanics
Replies
8
Views
3K