1. Power - The rate at which energy is supplied.
2. Kinetic energy - Energy stored in the motion of a mechanical system--e.g. by a rolling car, or a turning flywheel.
3. Energy - Ability to perform work, i.e. to advance against resistance, for instance lift a body against gravity, or drag it against friction.
4. Weight - The force exerted on mass by gravity.
5. Velocity - Rate of position change. Or the rate and direction of the change in the position of an object.
