Vector - Quantity with direction, Scalar - Quantity without direction, Force - Push or pull, Velocity - Speed with direction, Acceleration - Change in velocity, Momentum - Mass in motion, Displacement - Change in position, Friction - Resistance to motion, Gravity - Attractive force of Earth, Work - Force applied over distance,

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?