Across
- 6. a quantity having direction as well as magnitude
- 7. an upward force exerted by a fluid that opposes the weight of an immersed object
- 8. equals mass divided by volume
- 11. the speed of an objet in a given direction
- 13. equals force times displacement
- 14. the rate of change of velocity per unit of time
- 15. the force resisting the relative motion of solid surfaces sliding against each other
Down
- 1. the force that attracts a body towards the center of the earth
- 2. equals mass times acceleration
- 3. a measure of how much a fore acting on an object causes that object to rotate
- 4. mass in motion
- 5. the quantity of matter in an object
- 9. a system of ideas intended to explain something
- 10. the meeting of particles in which each exert a force upon the other
- 12. the action-reaction pair of forces acting at each end of a string