Across
- 2. speed the total distance traveled divided by the time it takes to travel that distance
- 7. vector the vector sum of two or more vectors
- 9. of reference a system of objects that are not moving with respect to one another; a system of objects used for comparison to determine if something is in motion
- 10. a quantity that has a direction associated with it
- 11. the length of the path between two points
Down
- 1. speed the rate at which an object is moving at a given moment in time
- 3. acceleration a steady change in velocity
- 4. the rate at which velocity changes
- 5. the speed and direction an object is moving measured relative to a reference point
- 6. motion movement in relation to a frame of reference
- 8. the ratio of the distance an object moves to the amount of time the object moves
- 9. fall the movement of an object toward Earth because of gravity