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Kinetic friction, also known as dynamic friction or sliding friction, occurs when two objects are moving relative to each other and rub together (like a sled on the ground). The coefficient of kinetic friction is typically denoted as μ k, and is usually less than the coefficient of static friction for the same materials.
coefficient of friction: unitless (dynamic) viscosity (also ) pascal second (Pa⋅s) permeability (electromagnetism) henry per meter (H/m) reduced mass: kilogram (kg) Standard gravitational parameter: cubic meter per second squared mu nought Vacuum permeability or the magnetic constant
Standard symbol Definition Field of application Coefficient of kinetic friction: mechanics (friction of solid bodies in translational motion) Coefficient of static friction: mechanics (friction of solid bodies at rest) Dieterich-Ruina-Rice number
Pages for logged out editors learn more. Contributions; Talk; Coefficient of kinetic friction
Sliding friction (also called kinetic friction) is a contact force that resists the sliding motion of two objects or an object and a surface. Sliding friction is almost always less than that of static friction; this is why it is easier to move an object once it starts moving rather than to get the object to begin moving from a rest position.
where is the force of friction exerted by the object and the inclined plane on each other, parallel to the surface of the plane, is the normal force exerted by the object and the plane on each other, directed perpendicular to the plane, and is the coefficient of kinetic friction.
Micrometre or micron (retired in 1967 as a standalone symbol, replaced by "μm" using the standard SI meaning) the coefficient of friction in physics; the service rate in queueing theory; the dynamic viscosity in physics; magnetic permeability in electromagnetics; a muon; reduced mass; the ion mobility in plasma physics
The kinetic energy due to the rotation of an object, which forms part of its total kinetic energy. rotational speed. Also called speed of revolution. The number of complete rotations or revolutions a rotating body makes per unit time. Rydberg formula A formula used in atomic physics to describe the wavelengths of spectral lines of many chemical ...