運うん動どう摩ま擦さつ

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Meanings

1

noun

kinetic friction

physics

Physics term for the friction between moving surfaces; contrasted with 静止摩擦 (static friction).

静せい止し摩ま擦さつ
Static friction; the friction between surfaces that are not moving relative to each other.
動どう摩ま擦さつ
Synonym for 運動摩擦, also meaning kinetic friction.

Compound of 運動 (motion) and 摩擦 (friction).