noun
kinetic friction
Physics term for the friction acting between surfaces in relative motion. Contrasts with 静止摩擦 (static friction).
See also: 静止摩擦
動摩擦は静止摩擦より小さいことが多い。
Kinetic friction is often smaller than static friction.
Compound of 動 (motion) and 摩擦 (friction).