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  1. Friction | Definition, Types, & Formula | Britannica

    Sep 6, 2025 · friction, force that resists the sliding or rolling of one solid object over another. Frictional forces, such as the traction needed to walk without slipping, may be beneficial, but …

  2. FRICTIONAL Definition & Meaning - Merriam-Webster

    The meaning of FRICTIONAL is of or relating to friction.

  3. FRICTIONAL | definition in the Cambridge English Dictionary

    Any two surfaces rubbing together produce frictional heat. Bicycle technology has low frictional losses. Mechanical devices support rotating shafts with a minimal amount of frictional …

  4. Friction - Wikipedia

    Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding or grinding against each other. [2][3] Types of friction include dry, fluid, …

  5. FRICTIONAL Definition & Meaning | Dictionary.com

    Frictional definition: of, relating to, or of the nature of friction.. See examples of FRICTIONAL used in a sentence.

  6. Friction - Coefficients for Common Materials and Surfaces

    Oct 17, 2014 · Kinetic or sliding frictional coefficients are used with relative motion between objects. Static frictional coefficients are used for objects without relative motion.

  7. Friction (Frictional Force): Definition, Formula, & Examples

    Feb 17, 2023 · Friction or frictional force is defined as the force that resists an object’s motion on a surface. The object can either be stationary or in motion relative to the surface.

  8. Frictional - definition of frictional by The Free Dictionary

    Define frictional. frictional synonyms, frictional pronunciation, frictional translation, English dictionary definition of frictional. n. 1. The rubbing of one object or surface against another. 2. …

  9. FRICTIONAL definition and meaning | Collins English Dictionary

    FRICTIONAL definition: of or caused by friction | Meaning, pronunciation, translations and examples

  10. frictional, adj. meanings, etymology and more | Oxford English …

    frictional, adj. meanings, etymology, pronunciation and more in the Oxford English Dictionary