Newton's Law and Vocabulary

123456789
Across
  1. 4. when one object exerts a force on a second object, the second one exerts a force on the first that is equal in magnitude and opposite in direction.
  2. 5. a tendency to do nothing or to remain unchanged.
  3. 6. strength or energy as an attribute of physical action or movement.
  4. 7. (F) acting on an object is equal to the mass (m) of an object times its acceleration (a).
  5. 8. the SI unit of force.
  6. 9. The net force is the vector sum of all the forces that act upon an object.
Down
  1. 1. the resistance that one surface or object encounters when moving over another.
  2. 2. a vehicle's capacity to gain speed within a short time.
  3. 3. An unbalanced force is a force that changes the position, speed or direction of the object to which it is applied.