Newton's 3 Laws of Motion

123456789101112131415161718
Across
  1. 2. The _______ an object is, the more gravitational pull it has.
  2. 4. the measure of how much matter is in an object
  3. 6. If an object is in motion, the forces must be _______.
  4. 10. the force that acts between two surfaces that are touching
  5. 11. when two or more forces are acting on an object, creating NO motion
  6. 12. As the water & air in a bottle rocket push downward and out of the bottle, the water and gases still in the rocket push _______.
  7. 14. According to Newton's 3rd Law, for every action there is an ______ and opposite reaction.
  8. 15. According to Newton's 2nd Law, the more mass an object has, the _____ force it moves with.
  9. 16. According to Newton's 1st Law, if an object is in motion it will remain in motion in a straight line and at a _______ speed unless an unbalanced force acts on it.
  10. 17. When sledding down a snowy hill, this type of friction will eventually cause you to stop moving.
  11. 18. the measure of how much gravity is pulling on an object
Down
  1. 1. gravity always ______ objects towards the center
  2. 3. An object at rest tends to ______ at rest, according to Newton's 1st Law of Motion.
  3. 5. if two forces are working on an object in the same direction, do this
  4. 7. combination of all the forces acting on an object
  5. 8. Action-Reaction pairs don't cancel because they act on _______ objects.
  6. 9. a push or pull
  7. 13. this force exists between any two objects that have mass
  8. 17. an object that is not able to be moved must have this kind of friction acting on it