Level 2 Mechanics

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Across
  1. 3. FORCE The contact force acting perpendicular to a surface.
  2. 4. POTENTIAL ENERGY Energy stored in an object when it is stretched or compressed.
  3. 10. The tendency of an object to resist changes in its motion.
  4. 12. OF ENERGY Energy cannot be created or destroyed, only transferred or transformed.
  5. 15. Change in position in a particular direction.
  6. 16. The turning effect of a force about a pivot.
  7. 18. A force that opposes motion between surfaces.
  8. 19. The rate of change of velocity.
  9. 20. The energy transferred when a force causes an object to move through a distance.
  10. 22. An object launched into the air and moving under gravity.
  11. 24. FORCE The combined effect of all forces acting on an object.
  12. 27. A quantity with magnitude but no direction.
  13. 28. Changing velocity over time.
  14. 31. RESISTANCE A force that opposes the motion of an object moving through air.
  15. 32. The SI unit of force.
  16. 36. SPEED Total distance travelled divided by total time taken.
  17. 38. A state in which the forces acting on an object are balanced.
  18. 39. A change in momentum caused by a force acting over a time interval.
  19. 40. The total length of the path travelled.
Down
  1. 1. Acceleration in the opposite direction to the velocity.
  2. 2. The product of mass and velocity.
  3. 5. VELOCITY The constant velocity reached when the forces on a falling object are balanced.
  4. 6. Change in position from the starting point to the finishing point.
  5. 7. A quantity that has both magnitude and direction.
  6. 8. The SI unit of energy.
  7. 9. The fixed point around which an object rotates.
  8. 11. VELOCITY Total displacement divided by total time taken.
  9. 13. The overall force after all forces are combined.
  10. 14. The rate of change of displacement.
  11. 17. The rate at which work is done or energy is transferred.
  12. 20. The force acting on an object due to gravity.
  13. 21. A push or pull acting on an object.
  14. 23. OF MOMENTUM The total momentum of a system remains constant when no external resultant force acts.
  15. 25. The force of attraction between masses.
  16. 26. Stored energy due to an object's position or condition.
  17. 27. The rate at which distance is travelled.
  18. 29. POTENTIAL ENERGY Energy stored because of an object's height above a reference point.
  19. 30. FALL Motion where gravity is the only significant force acting on an object.
  20. 33. The pulling force transmitted through a rope, string or cable.
  21. 34. The amount of matter in an object, measured in kilograms.
  22. 35. The turning effect produced by a force.
  23. 37. Energy an object has because of its motion.