Physical Science 1- Chapters 1-4

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Across
  1. 2. Opposes motion.
  2. 3. Unit of force.
  3. 6. Amount of space a object takes up.
  4. 7. The unit of mass.
  5. 10. Speed characterized by direction.
  6. 13. A path a projectile follows under the influence of constant gravity.
  7. 14. Machine consisting of a rigid rod pivoted at a fixed point.
  8. 16. Mutual action between objects.
  9. 17. The force an object exerts due to gravity.
  10. 19. Distance traveled per unit time.
  11. 21. A device that changes a force or applies changes.
  12. 24. A smaller body that orbits a larger body.
  13. 25. Work divided by time.
  14. 26. The oval path followed by a satellite.
  15. 27. Force Combination of all forces.
  16. 28. Normal force.
  17. 29. Any object that moves through the air or space.
  18. 30. Represents magnitude and direction.
Down
  1. 1. Ratio of input work to output work.
  2. 4. Force multiplied by distance.
  3. 5. Energy due to position.
  4. 8. The rate t which velocity changes with time.
  5. 9. Force multiplied by time.
  6. 11. Inertia in motion.
  7. 12. Amount of matter in an object.
  8. 15. Energy of motion.
  9. 18. The speed a object must reach to escape gravitational influence.
  10. 20. Free fall.
  11. 22. Objects resist changes in motion.
  12. 23. Objects may stick together.