5/25/2023 0 Comments Viscosity symbol![]() The value of μ is different for static friction and kinetic friction. The coefficient of friction is dimensionless because both F and N are measured in units of force (e.g., newtons or pounds). Mathematically, the coefficient of friction is represented as: The frictional force and the motion of the object are in opposite directions. The coefficient of friction refers to the ratio of the frictional force (F) resisting the motion of two surfaces that are in contact to the normal force (N) that's pressing the two surfaces together. In physics, the letter μ is commonly used to represent the coefficient of friction and magnetic permeability. The letter µ in physics: Coefficient of friction It is used to represent many real-world quantities, including magnetic permeability, coefficient of friction, electrical mobility of charged particles and mass per unit length. In some texts, the symbol µ is an abbreviation for micrometers or microns. Like many other Greek letters, μ is used to represent several real-world quantities and phenomena across multiple academic and practical streams including the following: ![]() ![]() Mu originated from the Phoenician letter mem, which itself evolved from the Egyptian hieroglyphic for water. The uppercase representation M is the same as the Latin/English letter M. The symbol μ is the lowercase representation of the 12th letter of the Greek alphabet. For example, 0.000001 farad or 10 -6 F of electrical capacitance is commonly written as 1 ♟. The lowercase Greek letter µ (pronounced mu) generally represents the prefix multiplier 0.000001, i.e., 10 -6 or one millionth.
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