Across
- 3. the amount of matter that an object or substance
- 5. occurs when an object changes position relative to a relative point,
- 7. the speed of an object and the direction of motion
- 9. the distance and object travels per unit time
Down
- 1. the rate of change of velocity
- 2. push or pull
- 3. device that makes doing work easier
- 4. machine, machine that does work with only one movement of the machine
- 6. si unit for measuring force
- 8. amount of gravitational force pulling on an object