Physics

3. the resistance that one surface or object encounters when moving over another.
4. the rate at which someone or something is able to move or operate.
7. the moving of something from its place or position.
9. strength or energy as an attribute of physical action or movement.
13. the overall, single force that results from combining all individual forces acting on an object
14. a scalar quantity.
15. the speed of something in a given direction.

1. the force that attracts a body toward the center of the earth, or toward any other physical body having mass.
2. the rate at which an object's velocity changes over time, meaning it speeds up, slows down, or changes direction
5. a quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another.
6. a sudden strong and unreflective urge or desire to act.
8. downward movement under the force of gravity only.
10. the fundamental property of matter that quantifies its resistance to acceleration
11. a tendency to do nothing or to remain unchanged.
12. the quantity of motion of a moving body, measured as a product of its mass and velocity.