Physics Vocab

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Across
  1. 2. a push or pull on one object by another that is touching it
  2. 4. always acure in pairs
  3. 6. is speed in a given direction
  4. 8. objects with more mass require more force to accelerate them
  5. 9. one motion or constant motion; they are equal forces
  6. 11. is a force that resists the motion of two surfaces that are touching
  7. 13. Forces always exist in pairs; when one object exerts a force on another, the other exerts an equal force back
Down
  1. 1. the change in velocity over a period of time
  2. 3. "law of inertia"; objects will stay at rest or in motion unless a force is acting on it
  3. 5. in the same direction or in the opposite direction; unequal equal forces
  4. 7. a push or pull on an object
  5. 10. a force that one object applies to another object without touching it
  6. 12. distance traveled per amount of time