Force

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Across
  1. 6. the unit for work
  2. 9. the work that you do on a machine
  3. 10. the upward force exerted by fluids
  4. 11. force times distance
  5. 15. when a force is exerted, there is an equal but opposite reaction force
  6. 16. when fixed and movable pulleys are used together
  7. 17. forces in opposite directions are ___ to get the net force
  8. 18. the unit for power
  9. 19. the force of attraction between objects that is due to their masses
  10. 20. lever where the input force is between the fulcrum and the load
  11. 23. if gravity is pulling an object down and there are no other forces acting on it
  12. 25. the constant velocity when the force of resistance is equal in magnitude and opposite in direction as the force of gravity
  13. 28. the friction between moving surfaces
  14. 29. the combination of all of the forces on an object
  15. 30. machines that are made of two or more simple machines
  16. 33. an inclined plane wrapped around a cylinder
  17. 35. pulley that is attached to something that does not move
  18. 36. lever where the fulcrum is between the input force and the load
  19. 38. the force that you apply to a machine
  20. 39. forces in the same direction are ___ to get the net force
  21. 40. a device that makes work easier by changing the size and direction of a force
  22. 42. simple machine consisting of two circular objects of different sizes
  23. 43. calculated by acceleration due to gravity times time (for falling objects)
  24. 44. pulley that is attached to the object being moved
Down
  1. 1. property that is measured in Newtons
  2. 2. lever where the load is between the fulcrum and the input force
  3. 3. mass divided by volume
  4. 4. describes balanced forces acting on objects
  5. 5. another name for Newton's First Law of Motion
  6. 7. the work done by the machine
  7. 8. when the weight is equal to the buoyant force
  8. 12. the unit of force
  9. 13. the more of this, the harder it is to stop the object or change its direction
  10. 14. when the weight is greater than the buoyant force
  11. 16. the type of forces that result in no change of motion
  12. 17. the friction between objects that causes them not to move
  13. 21. the type of forces needed to change the motion of an object
  14. 22. work divided by time
  15. 24. the force that opposes the motion of objects through the air
  16. 26. the tendency of all objects to resist any change in motion
  17. 27. the force the machine applies
  18. 31. final velocity minus starting velocity divided by the time it takes to change velocity
  19. 32. a straight slanted surface
  20. 34. a push or a pull
  21. 37. force equals mass times acceleration
  22. 41. a force that opposes motion between two objects that are in contact
  23. 42. a pair of inclined planes that move
  24. 44. the measure of inertia