Across
- 5. - an arrow whose length represents the magnitude of a quantity and whose direction represents the direction of the quantity
- 6. - an object that falls around the earth or some other body rather than falling into it
- 7. - a quantity that can be completely specified by its magnitude, and has no direction
- 8. - the process of resolving a vector into components
Down
- 1. - the vector sum of two or more component vectors
- 2. - one of the vectors, often mutually perpendicular, whose sum is a resultant vector
- 3. - a quantity that has both magnitude and direction
- 4. - any object that moves through the air or through space, acted on only by gravity (and air resistance, if any)