Science vocab

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Across
  1. 2. The momentum of a group of objects stay the same within outside object.
  2. 4. A measure of how hard it is to stop a moving object
  3. 7. A contact force that resist the sliding motion of two surfaces that are touching
  4. 8. Forces acting on an object that combine and form a net force
  5. 10. The gravitational force exerted on an object
  6. 11. a push or pull on an object.
  7. 13. a push or pull on one object by another object that is touching it.
  8. 14. A object that moves in an circular path till it lands in the middle.
  9. 15. The amount of matter in an object
  10. 17. Law that states that if the net force acting in an object is zero, the motion doesn't change
  11. 18. Any motion in which a object is moving in a circle
Down
  1. 1. The acceleration of an object is equal to the net force exerted
  2. 3. The tendency of a object to not change its motion
  3. 5. The compilation of all the forces acting on an object
  4. 6. An attractive force that exists between all object without touching it
  5. 9. Every action there is, there is an equal and opposite reaction
  6. 12. A force that one object applies to another object without touching it
  7. 16. The forces two objects apply to each other