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