Vocabulary

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Across
  1. 4. a tendency to do nothing or to remain unchanged
  2. 5. the rate of change of velocity per unit of time
  3. 6. the force acting on an object is equal to the mass of an object times it’s acceleration
  4. 8. a force acting in the opposite direction
  5. 9. the resistance that one surface or object encounters when moving over another
  6. 10. the SI unit of force
Down
  1. 1. two forces acting in opposite directions on an object, and equal in size
  2. 2. a force that changes the position,speed,or direction of the object to which is applied
  3. 3. vector sum of forces of forces acting on a particle or body
  4. 7. a force acting in one direction