force, a push or a pull on a object, velocity, speed with direction, acceleration, change in velocity over time, work, energy transfer when force moves an object, power, the rate of doing work, gravity, force that pulls toward the earth, friction, force that opposes motion between surfaces, momentum, product of mass and velocity, energy, ability to do work, mass, amount of matter in an object

由

排行榜

我们目前正在努力改进排行榜功能。请通过提供您的反馈来帮助我们。

提供反馈

视觉风格

选项

我们目前正在改进活动设置。请通过反馈帮助我们。

提供反馈

切换模板

恢复自动保存:?