Chapter 2 vocab words

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Across
  1. 2. force Force acting on an object that combine and form a net force of zero.
  2. 5. A push or pull on an object.
  3. 9. third law 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.
  4. 10. A force that resists the motion of two surfaces that are touching.
  5. 13. force A force on an object that can apply on another object without using contact.
  6. 16. The tendency of an object to resist a change in its motion.
  7. 17. The amount of matter in an object.
  8. 18. motion any motion in which an object is moving along a curved path.
Down
  1. 1. force Forces acting on an object that combine and form a net force that is not zero.
  2. 3. second law F=ma
  3. 4. The gravitational force exerted on an object.
  4. 6. law of momentum The total momentum of a group of objects stays the same unless outside forces act on an objects.
  5. 7. force A force that acts perpendicular to the direction of motion, towards the center of the curve.
  6. 8. An attractive force that exists between all objects that have mass.
  7. 9. first law If the net force on an object is zero, the motion of the object doesn't change.
  8. 11. force A force on an object that can apply on another object using contact.
  9. 12. A measure of how hard it is to stop a moving object.
  10. 14. Force The combination of all forces acting on an object.
  11. 15. pair The forces two objects apply to each other.