🤓乇几乇尺Ꮆㄚ ᐯㄖ匚卂乃🤓

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Across
  1. 2. Two different sized circular objects that are attached and turn as one.
  2. 4. A device for making, breaking, or changing the connections in an electrical circuit.
  3. 6. KE+PE=ME
  4. 7. A simple machine that consists of a rope that fits into a groove in a wheel
  5. 9. the force exerted on a machine
  6. 11. How well a machine works
  7. 12. A thick Devatice at one end and tapers to a thin edge at the other end.
  8. 14. A rigid bar that is free to move around a fixed point
Down
  1. 1. the number of times a machine increases a force exerted on it
  2. 3. the force exerted on an object by a machine
  3. 5. a flat, sloped surface
  4. 8. Device that makes work easier
  5. 10. inclined plane wrapped around a cylinder
  6. 12. the transfer of energy by a force acting on an object as it is displaced
  7. 13. An electrical device that resists the flow of electrical current.