0
Add your answer:
Earn +20 pts
The coefficient of friction is always?
The coefficient of friction is not always constant as it can vary depending on factors like materials in contact, surface roughness, and presence of lubricants.
What factors determine the coefficient of friction?
The coefficient of friction is determined by the nature of the materials in contact, surface roughness, pressure between the surfaces, and the presence of any lubricants or contaminants. It is a dimensionless quantity that represents the ratio of the force of friction between two surfaces to the normal force pressing the two surfaces together.
The coefficient of friction is a number that represents the resistance to sliding between two in contact with one anot?
The coefficient of friction is a dimensionless number that quantifies the amount of resistance between two surfaces in contact with each other. It is determined experimentally and varies depending on the materials and surface conditions of the objects in contact. A higher coefficient of friction indicates greater resistance to sliding or movement.
What is the coefficient of kinetic energy?
The coefficient of kinetic energy is not a standard term in physics. It is more common to refer to the coefficient of kinetic friction, which represents the amount of friction between two surfaces in contact when one is moving relative to the other. This coefficient depends on the surfaces in contact and is a dimensionless quantity typically denoted by the symbol μ.
Does a dimensionless quantity have a unit?
No, a dimensionless quantity does not have a unit because it represents a pure number without any physical dimension. Examples of dimensionless quantities include ratios, proportions, and mathematical constants.
What are the units that friction is measured in?
The coefficient of friction is dimensionless; it has no units.
Coefficient of discharge is a dimensionless parameter?
It is a dimensionless parameter since its just a ratio between two quantities of same unit.
What unit of measure is used to measure friction?
The coefficient of friction is dimensionless.
The coefficient of friction is always?
The coefficient of friction is not always constant as it can vary depending on factors like materials in contact, surface roughness, and presence of lubricants.
How do you you determine storm water runoff coefficient?
A simple coefficient chart works best. However, in the event you do not have access to such a chart; here is the general coefficient information that can be used to calculate Storm water Runoff: 1) Smooth, Impervious Surfaces, i.e., Tile, Roofing materials, Concrete walkways has a runoff coefficient of approximately 90% 2) Gravel surfaces and paved asphalt surfaces have a runoff coefficient of about 80% 3) Mitigated, engineered and or loose soils have a coefficient rating of 60% 4) Natural soils like that found in an undisturbed forest has a general coefficient rating of approximately 30% 5) Built landscape areas like "Green Roofs" should hold to and strive to reach the target of a 30% runoff coefficient rating. Use this calculation to calculate runoff: (CA) X (R) X (E) X (0.6) = Area runoff in gallons. Understanding the equation: (CA) = Catchment area in Sq. Ft. i.e., 1 Acre = 43,560 Sq.Ft. (R) = Rainfall expressed in inches (E)= efficiency expressed in decimal (0.6) = Gallons per Square feet for every inch of rain
What is coefficient of static force?
i guess the question should be coefficient of static friction force.if it is so then it is just a dimensionless quantity signifying the degree to which the frictional force can oppose relative motion and prevent any relative motion.
What is coefficient static force?
i guess the question should be coefficient of static friction force.if it is so then it is just a dimensionless quantity signifying the degree to which the frictional force can oppose relative motion and prevent any relative motion.
What are the units of the coefficient of friction?
The coefficient of friction is a unitless value because it represents a ratio of the force required to move an object over a surface to the weight of the object. Since it is a ratio of two forces, it does not have any units associated with it.
What is the manning resistance coefficient for unfinished concrete in English units?
First, Manning's roughness coefficient is dimensionless. Second, usually unfinished concrete is assigned an n value of 0.014 whereas finished concrete is assigned an n value of 0.012.
What is the metric unit for friction?
A friction is a force, so it would be measured in newtons. The coefficient of friction, on the other hand, is a ratio between two forces, so it is dimensionless.
What are dimensionless numbers?
the dimensionless numbers have the definition as that of dimensionless groups, and have all the properties which dimensionless groups have.
Why angle has a unit in spite it is dimensionless?
Angles are not dimensionless.
