TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

DYNAMIC FRICTION [6 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2023-06-01

English

Subject field(s)
  • Physics
  • Mechanical Components
DEF

Precession resulting from an applied torque such as friction and dynamic imbalance.

French

Domaine(s)
  • Physique
  • Composants mécaniques

Spanish

Campo(s) temático(s)
  • Física
  • Componentes mecánicos
DEF

Precesión que aparece como consecuencia de la aplicación de un par de fuerzas, tal como el rozamiento o el desequilibrio dinámico.

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Record 2 2016-11-29

English

Subject field(s)
  • General Mechanics (Physics)
DEF

The friction between two surfaces which are sliding over each other.

CONT

Sliding friction. The force needed to keep one solid surface just sliding over another is known as kinetic or dynamic friction. The force which has to be applied to initiate motion is slightly greater and is called static or limiting friction.

OBS

dynamic friction : term and definition standardized by ISO.

French

Domaine(s)
  • Mécanique générale (Physique)
DEF

Frottement qui subsiste pendant le mouvement de glissement à une vitesse donnée.

OBS

frottement dynamique : terme et définition normalisés par l'ISO.

Spanish

Campo(s) temático(s)
  • Mecánica general (Física)
DEF

Fricción que debe ser superada como un "valor límite" al inicio de un movimiento de deslizamiento.

Key term(s)
  • fricción cinética
Save record 2

Record 3 2014-09-15

English

Subject field(s)
  • Electrical Components
  • Braking Devices (Mechanical Components)
CONT

Virtually all motorized electrically propelled rail rapid transit vehicles are equipped with propulsion systems with electric(dynamic) braking capability. Either the electric braking system or the friction braking system can be the controlling system with responsibility for providing the blending function. However, friction braking is the ultimate brake with responsibility for safe operation; therefore, care must be taken to ensure that the electric brake feedback signal shall not provide a false indication of electric braking effort.

French

Domaine(s)
  • Composants électrotechniques
  • Freins (Composants mécaniques)
DEF

Freinage dans lequel le couple retardateur est d'origine électrique.

Spanish

Campo(s) temático(s)
  • Componentes eléctricos
  • Frenos (Componentes mecánicos)
OBS

Sistema de frenado en el cual la acción ejercida sobre la máquina tiene por efecto hacerla producir energía eléctrica que es, o disipada, o restituida a la red.

Save record 3

Record 4 2014-04-07

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Lubrication Technology
  • Textile Industries
  • Wheels and Tires (Motor Vehicles and Bicycles)
DEF

The ratio of the frictional force between two bodies in contact, parallel to the surface of contact, to the force, normal to the surface of contact, with which the bodies press against each other.

CONT

Sliding friction. The force needed to keep one solid surface just sliding over another is known as kinetic or dynamic friction. The force which has to be applied to initiate motion is slightly greater and is called static or limiting friction. The friction increases approximately in proportion to the total perpendicular force(normal reaction) between the surfaces and its ratio to the normal reaction between the surfaces is called a coefficient of friction.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Tribologie
  • Industries du textile
  • Roues et pneus (Véhicules automobiles et bicyclettes)
DEF

Rapport de la force de frottement à une force, habituellement la gravité, agissant perpendiculairement aux deux surfaces en contact.

CONT

Une pièce glissant sur un support est soumise [...] à l'action de la pesanteur et à la réaction normale du support et [...] à la force appliquée qui tend à provoquer le mouvement et à la résistance tangentielle due au frottement; le mouvement a lieu si la force appliquée est supérieure à cette résistance. La résultante de la réaction normale du support et de la résistance tangentielle forme avec la normale au plan de glissement un angle appelé angle de frottement; la valeur de la tangente trigonométrique de cet angle est le coefficient de frottement [...]

CONT

La distance et le temps d'arrêt dépendent non seulement des qualités du conducteur et de la puissance des freins mais encore du coefficient de frottement des roues sur le sol.

OBS

coefficient de frottement : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes et recommandé par l'OLF (Office de la langue française).

OBS

coefficient de friction : terme uniformisé par le Groupe de travail de terminologie du génie.

Spanish

Campo(s) temático(s)
  • Medición y análisis (Ciencias)
  • Técnica de lubricación
  • Industrias textiles
  • Ruedas y neumáticos (Vehículos automotores y bicicletas)
DEF

Relación entre la fuerza de fricción y la fuerza normal, que actúa perpendicular a las dos superficies en contacto.

Save record 4

Record 5 1991-12-17

English

Subject field(s)
  • Mountain Sports
DEF

[A belay] to prevent rope breakage and excessive impact ... in which the belayer allows some of the rope to slide through his hands, braking the speed of the fall [of a climber] more gradually.

CONT

Dynamic belays, to be given properly, must be carefully practiced in advance, because the braking hand must use varying pressure depending on the friction that has already built up as the rope passes through a series of carabineers.

OBS

All the belays commonly used in North American climbing are dynamic, because of the energy-absorbing properties of the rope, because of the give in the belayer’s body and the anchor, and because some rope will slide through the hands even when the rope is held tight.

French

Domaine(s)
  • Sports de montagne
DEF

Assurage où l'assureur effectue un freinage contrôlé et progressif de la corde.

CONT

L'assurance dynamique consiste, lors d'une chute, à laisser filer une certaine longueur de corde tout en contrôlant l'effet de traction.

OBS

En général, «assurage» désigne la technique de l'assurance, et «assurance» désigne l'ensemble des procédés techniques visant à prévenir ou enrayer le dévissage d'un grimpeur. Mais plusieurs ouvrages utilisent les deux comme synonymes.

Spanish

Save record 5

Record 6 1988-12-22

English

Subject field(s)
  • Lubrication Technology
  • Physics of Solids
DEF

Rubbing of bodies in sliding contact.

CONT

Sliding friction. The force needed to keep one solid surface just sliding over another is known as kinetic or dynamic friction. The force which has to be applied to initiate motion is slightly greater and is called static or limiting friction.

French

Domaine(s)
  • Tribologie
  • Physique des solides
DEF

Frottement d'un corps qui glisse simplement sur un autre.

Spanish

Save record 6

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