AS Physics

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Across
  1. 3. A device used to measure fluid density
  2. 5. The combined force of many objects hitting an area
  3. 7. The resistance of a fluid to an obejct moving through it
  4. 11. It is the top speed
  5. 12. Enery stores that refer to the shape, position or state of an object. This could do work.
  6. 13. The ability to do work
  7. 16. The energy store that is equivalent to the temeprature of particles
  8. 18. The Young Modulus is like the materials spring constant but has considered its...
  9. 21. Causes rotational without translation
  10. 22. Lines of fluid flow are chaotic, at non-constant speeds and mix
  11. 25. Tensile or compressive
  12. 26. Distance travelled in a straight line from a reference point
  13. 29. The ratio of useful energy or power to total energy or power
  14. 32. The path often encountered when considering projectile motion
  15. 33. We often assume that this does not act in mechanics questions
  16. 34. A positive change in length
  17. 35. Can be described by magnitude only
  18. 36. Units of stress
  19. 38. The change in shape of an object
  20. 39. He noticed the link between buoyancy and weight of dispalced liquid (they are the same)
  21. 40. Hang this with a small weight to find the centre of mass of a laminar object
  22. 42. When the buoyancy is greater than the weight
  23. 43. The area under a force-displacemnt graph
  24. 44. When a quantity such as motion or field strength is constant
  25. 45. How easy or hard it is to stop something
  26. 47. This is the speed given on a speedometer. It is not the average
  27. 48. To measure time intervals to a high accuracy
  28. 49. A turning effect of a force
  29. 50. Something that can be measured
  30. 51. Dealing with objects that are uniformly accelerating in one dimension
Down
  1. 1. A neasure of the compactness of a substance
  2. 2. The gradient of a velocity-time graph
  3. 4. It behaves like plastic when stretched
  4. 6. A force and change in length that have the same name
  5. 8. He noticed the relationship between force and extension
  6. 9. A force caused by the difference in pressure at its top and bottom surfaces
  7. 10. He came up with the laws of motion (and gravitation)
  8. 14. Units of strain
  9. 15. When an object hits another and exerts a force
  10. 17. The scalar quantity in SUVAT that applies to both the horizontal and vertical motion
  11. 19. The material will return to its original shape once the load force is removed
  12. 20. It is used to caluclate the viscous drag
  13. 23. Abbreviated to three letters. Point where the wire loses its strength, extends and becomes narrow at its weakest point due to the decrease cross sectional area
  14. 24. The spring constant represents this property
  15. 25. The near-parallel lines of fluid flow around an aerodynamic object
  16. 27. Horizontal acceleration for projectiles
  17. 28. Requires a direction to make sense
  18. 30. Point beyond which the material undergoes sudden extension increase due to an atomic restructuring.
  19. 31. A force acting perpendicular to two surfaces in contact with each other
  20. 37. A relationship where there is a constant linear relationship between each variable.
  21. 41. Lines of fluid flow are ordered, a constant speed and do not cross
  22. 46. A single resultant can be split into these