coefficient of friction

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

(physics) The ratio between (1) the magnitude of the force of friction which a surface produces on an object (moving along the surface or being pressed statically against it) and (2) the magnitude of the normal force which is produced by the surface on the object and which is perpendicular to that surface.

日本語の意味

摩擦係数：接触面において、物体に働く摩擦力（運動している場合や静止状態で押された場合に発生する力）と、それに対して垂直に働く法線力（接触面が物体に及ぼす垂直方向の力）との比率を表す数値。

英語の意味

(physics) The ratio between (1) the magnitude of the force of friction which a surface produces on an object (moving along the surface or being pressed statically against it) and (2) the magnitude of the normal force which is produced by the surface on the object and which is perpendicular to that surface.

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The coefficient of friction between the tires and the wet road determined how quickly the car could stop.

タイヤと濡れた道路の間の摩擦係数が、車がどれだけ速く停止できるかを決めた。

詳細

意味（1）

(physics) The ratio between (1) the magnitude of the force of friction which a surface produces on an object (moving along the surface or being pressed statically against it) and (2) the magnitude of the normal force which is produced by the surface on the object and which is perpendicular to that surface.

coefficients of friction （ plural ）