CH2 Newtons Laws of Motion

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Across
  1. 1. a force that one object can apply to another object without touching it.
  2. 3. a push or a pull on an object
  3. 4. a force that resists the motion of two surfaces that are touching
  4. 5. a measure of how hard it is to stop a moving object
  5. 7. an attractive force that exists between all objects that have mass
  6. 9. a principle stating that the acceleration of an object is equal to the net force acting on the object divided by the object's mass
  7. 10. forces acting on an object that combine and form a net force of zero
  8. 11. a principle stating that the total momentum of a group of objects stays the same unless outside forces act on the objects
  9. 13. a principle stating that when one object exerts a force on a second object, the second object exerts an equal force in the opposite direction on the first object
  10. 15. the tendency of an object to resist a change in its motion
  11. 16. a principle stating that if the net force on an object is zero, the motion of the object does not change
Down
  1. 2. any motion in which an object is moving along a curved path
  2. 3. the forces two objects apply to each other
  3. 6. a push or a pull on one object by another object that is touching it
  4. 8. in circular motion, a force that acts perpendicular to the direction of motion, toward the center of the curve
  5. 12. is the gravitational force exerted on an object
  6. 13. the combination of all the forces acting on an object
  7. 14. the amount of matter in an object