science

3. strength or energy as an attribute of physical action or movement
4. the length of the space between two points.
5. the indefinite continued progress of existence and events in the past, present, and future regarded as a whole.
9. increase in speed or rate.
10. a body's relative mass or the quantity of matter contained by it, giving rise to a downward force; the heaviness of a person or thing.
11. the degree of a slope.

1. the speed of something in a given direction.
2. the rate at which someone or something moves or operates or is able to move or operate
4. reduction in speed or rate.
6. a tendency to do nothing or to remain unchanged
7. a large body of matter with no definite shape
8. activity involving mental or physical effort done in order to achieve a purpose or result