Across
- 2. physical quantity that is completely described by its magnitude
- 6. movement under the force of gravity only
- 8. When two forces are the same strength but act in opposite direction
- 10. a set of criteria or stated values in relation to which measurements or judgments can be made
- 13. the sum of all the forces acting on an object
- 14. rubbing
- 17. quantity of motion of a moving body, measured as a product of its mass and velocity
- 18. Newton's law of universal gravitation
- 19. SI unit of force
- 20. the change in position of an object
Down
- 1. quantity having direction as well as magnitude, especially as determining the position of one point in space relative to another
- 3. an amount of space between two things or people
- 4. typically large body of matter with no definite shape
- 5. something that can be considered as strength
- 7. the rate of change of velocity
- 9. the speed of something in a given direction
- 11. the forces that are in opposition to the relative motion of an object as it passes through the air
- 12. The rate of change of position of an object in any direction
- 15. unchanged
- 16. heaviness