Across
- 1. A device that is thick at one end and tapers to a thin edge at the other end.
- 4. A flat, sloped surface.
- 7. A simple machine related to the inclined plane. An inclined plane wrapped around a cylinder.
- 10. One joule of work done in one second. The standard unit for power.
- 12. A rigid bar that is free to pivot or rotate on a fixed point.
- 13. The force the person exerts when doing work / into a machine.
- 14. The force the machine exerts.
Down
- 2. Compares the output work to input work and is expressed as percentage.
- 3. The number of times a machine increases a force exerted on it. (how much easier work feels when using a machine)
- 5. The most basic device for making work easier.
- 6. A device that allows people to do work in an easier way.
- 8. The rate at which work is done.
- 9. The standard unit used for 'work' and named after a physicist who studied 'work' in the 1800s.
- 10. Anytime a force is exerted on an object that causes that object to move some distance.
- 11. The fixed point that a lever pivots around.