UNIT 4 SUMMATIVE

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Across
  1. 3. The force something or someone exerts on an object.
  2. 4. A value that represents the stiffness of a spring.
  3. 5. The ratio between the frictional force and normal force betweeen any two surfaces.
  4. 6. The length of a spring at rest.
  5. 7. The force that resists motion between two surfaces.
  6. 10. The adhesive friction of a body on a surface on which it moves.
  7. 12. The linear relationship between the forece needed to extend or compress a spring and the displacement of the spring.
  8. 13. A measurement between the starting and final position of an object.
  9. 14. The process of combining 2 lengths of wires so they can carry current.
  10. 15. Electrical current that flows in one direction.
  11. 16. An electrical circuit that has a resistance clsose to zero between the voltage source and ground.
Down
  1. 1. An electrical component that opposes current flow.
  2. 2. Electrical current that regularly changes direction many times each second.
  3. 8. General Agreement
  4. 9. A graphical model of an electrical circuit.
  5. 11. A property of a material that allows it to be distorted and then return to its original shape.