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  1. Dry surfaces

  2. For low surface pressures the friction is directly proportional to the pressure between the surfaces. As the pressure rises the friction factor rises slightly. At very high pressure the friction factor then quickly increases to seizing
  3. For low surface pressures the coefficient of friction is independent of surface area.
  4. At low velocities the friction is independent of the relative surface velocity. At higher velocities the coefficent of friction decreases.
  1. Well lubricated surfaces

  2. The friction resistance is almost independent of the specific pressure between the surfaces.
  3. At low pressures the friction varies directly as the relative surface speed
  4. At high pressures the friction is high at low velocities falling as the velocity increases to a minimum at about 0,6m/s. The friction then rises in proportion the velocity 2.
  5. The friction is not so dependent of the surface materials
  6. The friction is related to the temperature which affects the viscosity of the lubricant
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Related Questions

Can the coefficient of static friction be equal to the coefficient of kinetic friction?

No, the coefficient of static friction is typically greater than the coefficient of kinetic friction.


What is the relationship between static friction and the coefficient of static friction, denoted as latex: mus?

The relationship between static friction and the coefficient of static friction (s) is that static friction is directly proportional to the coefficient of static friction. This means that the force of static friction acting on an object is determined by the coefficient of static friction between the object and the surface it is in contact with.


What is the coefficient of static friction between the two surfaces when the coefficient of static friction is 0.60?

The coefficient of static friction between two surfaces is 0.60.


What is the coefficient of static friction for wood on rubber?

The coefficient of static friction for wood on rubber can vary depending on the specific materials, surface conditions, and other factors. However, on average, the coefficient of static friction for wood on rubber is typically around 0.6 to 0.8.


How to find the coefficient of static friction on an incline?

To find the coefficient of static friction on an incline, you can use the formula: coefficient of static friction tan(angle of incline). Measure the angle of the incline using a protractor, then calculate the tangent of that angle to find the coefficient of static friction.


What is the formula for calculating the coefficient of static friction on an inclined plane?

The formula for calculating the coefficient of static friction on an inclined plane is s tan(), where s is the coefficient of static friction and is the angle of inclination of the plane.


Which coefficient of friction is greater static or kinetic?

The coefficient of static friction is greater than the coefficient of kinetic friction. Static friction occurs when an object is at rest and must be overcome to start moving, leading to a higher coefficient compared to kinetic friction, which occurs when an object is already in motion.


How can one determine the static friction coefficient on an incline?

To determine the static friction coefficient on an incline, one can measure the angle of the incline and the force required to overcome static friction. By dividing the force needed to overcome static friction by the force due to gravity acting on the object, the static friction coefficient can be calculated.


How does the roughness of surfaces that are toughing affect the friction between the surfaces?

The rougher a surface is, the higher the coefficient of static and kinetic friction will be.


What is more sliding friction or static friction?

static friction is higher in most cases, if you're talking about the coefficient of static or kinetic friction


how to draw graph Experiment to find coefficient of static friction?

To determine the coefficient of static friction, you can conduct an experiment by gradually increasing the angle of an inclined plane until an object on the plane just begins to move. You can measure the angle at which this occurs and use it to calculate the coefficient of static friction using the formula: coefficient of static friction = tan(angle).


How can one determine the coefficient of static friction on an inclined plane?

To determine the coefficient of static friction on an inclined plane, one can measure the angle at which an object starts to slide down the plane. By using trigonometry and the known forces acting on the object, the coefficient of static friction can be calculated using the formula: coefficient of static friction tan(angle of inclination).