Energy Test Review

123456789101112
Across
  1. 5. How well a machine works (greater output for input)
  2. 8. A rigid bar that is free to move around a fixed point
  3. 9. A simple machine that consists of a rope that fits into a groove in a wheel
  4. 11. The force exerted on a machine
  5. 12. A device that is thick at one end and tapers to a thin edge at the other end
Down
  1. 1. A device that makes work easier
  2. 2. A device for making, breaking, or changing the connections in an electrical circuit
  3. 3. An inclined plane wrapped around a cylinder
  4. 4. A electrical device that resists the flow of electrical current
  5. 6. Two different sized circular objects that are attached together and turn as one
  6. 7. The force exerted on an object by a machine
  7. 10. The number of times a machine increases a force exerted on it