Physics Units 1-3

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Across
  1. 1. the principle that properties such as mass, volume, and number remain the same despite changes in the forms of objects
  2. 6. A force that causes an object to move in a circle
  3. 7. The study of matter and energy and the interactions between the two through forces and motion.
  4. 8. the study of motion and forces
  5. 11. The ability to do work or cause change
  6. 18. A simple machine that consists of a rope that fits into a groove in a wheel
  7. 21. The rate at which velocity changes
  8. 22. energy of motion
  9. 24. a diagram showing all the forces acting on an object
  10. 26. Equal forces acting on an object in opposite directions
  11. 30. acceleration of an object toward the center of a curved or circular path
  12. 33. the amount of matter in an object
  13. 35. the force that is equal in strength and opposite in direction to the action force, which acts simultaneously on whatever is exerting the action force
  14. 36. Scientist who discovered the law of gravity
  15. 37. the motion of a falling object when the only force acting on it is gravity
  16. 39. The measurement associated with an object's top-to-bottom dimension.
  17. 40. A force of attraction between objects that is due to their masses.
  18. 42. SI unit of energy
  19. 46. Distance and direction of an object's change in position from the starting point.
  20. 48. motion at a constant speed
  21. 49. Force exerted on an object that causes it to move
Down
  1. 2. A mathematical sentence that contains an equals sign.
  2. 3. stored energy that results from the position or shape of an object
  3. 4. the sum of two or more vectors
  4. 5. force of attraction that acts on all objects in the universe
  5. 9. Greatness of size, strength, or importance
  6. 10. the initial push or pull of one object on another object
  7. 12. a parameter that is a measure of a spring's resistance to being compressed or stretched
  8. 13. a set of interacting parts forming a complex whole
  9. 14. scientist who derived the spring constant
  10. 15. SI base unit for time
  11. 16. a common tool for measuring length in the metric system
  12. 17. straight line
  13. 19. study of motion
  14. 20. SI unit for mass
  15. 23. SI unit of power
  16. 25. The length of a path between two points
  17. 27. the force perpendicular to a surface that prevents an object from falling through the surface
  18. 28. SI unit of force
  19. 29. stress that occurs when forces act to stretch an object
  20. 31. Speed in a given direction
  21. 32. A quantity that has magnitude and direction
  22. 34. A measure of the force of gravity on an object
  23. 36. The combination of all forces acting on an object
  24. 38. A force that opposes motion between two surfaces that are in contact
  25. 41. The distance an object travels per unit of time
  26. 43. SI unit for distance
  27. 44. A physical quantity that has magnitude only.
  28. 45. A push or a pull
  29. 47. the rate at which work is done