Physical Science Chapter 3 Vocabulary

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Across
  1. 1. frictional force between a rolling object and the surface it rolls on
  2. 3. describes the fall of an object on which only the force of gravity is acting
  3. 6. force that opposes the motion of objects that move through the air
  4. 9. a force that is directed toward the center of a curved or circular path
  5. 11. frictional force that opposes the motion of two surfaces sliding past each other
  6. 12. Attractive force between two objects that depends on the masses of the objects and the distance between them.
  7. 14. the maximum speed an object will reach when falling through a substance, such as air
  8. 15. states that the acceleration of an object is in the same direction as the net force on the object, and that the acceleration equals the net force divided by the mass
Down
  1. 2. states that when one object exerts a force on a second object, the second object exerts a force on the first object that is equal in strength and in the opposite direction
  2. 4. A push or pull exerted on an object
  3. 5. SI unit of force
  4. 7. frictional force that prevents two surfaces from sliding past each other
  5. 8. states that an object moving at a constant velocity keeps moving at that velocity unless an unbalanced force acts on it
  6. 10. the tendency of an object to resist any change in its motion
  7. 13. the gravitational force exerted on an object