Across
- 3. the amount of space occupied by an object
- 6. the motion of a fluid around an object
- 9. the pressure of vapour above a liquid
- 13. the vector that describes the rate of change of velocity
- 14. the study of how air interacts with objects in motion
- 17. the amount of force exerted on a certain area
- 21. force perpendicular to the fluid motion which raises the object
- 22. force that is produced to move an aircraft forward
- 24. the measure of average kinetic energy
- 25. wing cross section with a curved top and flat bottom
- 26. a substance that has a strong attraction to water
- 29. force pulling an object to centre of earth
- 30. gets more viscous the longer a force is applied
- 31. the upward force a liquid exerts on an object
- 32. a fluid where its viscosity changes under force
- 35. force per area parallel to a surface
Down
- 1. a tool used to measure a specific density of liquids
- 2. the area that covers the outside of an object
- 4. a material that exhibits elastic and viscous behaviour
- 5. a swirling fluid motion around a central low pressure area
- 7. a vector for how fast an object is moving
- 8. thickness of a fluid
- 10. the area/shape of a wing when viewed from above
- 11. a shape that produces lift when moving through the air
- 12. a substance that flows and has no fixed shape
- 15. force that resists an objects motion through a fluid
- 16. force resisting movement between 2 touching surfaces
- 18. the path followed by a flowing fluid over an object
- 19. a substance that repels water
- 20. surface of a liquid acts like a stretched membrane
- 23. gets less viscous the longer a force is applied
- 27. the ratio between mass and volume
- 28. the study of liquids when they are at rest
- 33. drag cause by surface friction
- 34. the force on an object due to gravity