Force

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