転ころがり摩ま擦さつ

noun

rolling friction

Physics term for the resistance that occurs when an object rolls over a surface.

• 転ころがり摩ま擦さつは、滑すべり摩ま擦さつよりも一いっ般ぱん的てきに小ちいさい。

  Rolling friction is generally smaller than sliding friction.