Across
- 3. / A simple machine that consists of a bar that pivots at a fixed point called a fulcrum.
- 4. / Force x distance moved in direction of force.
- 7. machine / A combination of two or more simple machines that operate together.
- 10. Advantage / The number of times that the machine increases an input force.
- 12. / A simple machine that is an inclined plane that moves.
- 13. / The rate at which work is done.
- 15. / A type of lever that is a wheel with a groove in its rim, which is used to change the direction or multiply a force exerted by a rope or cable.
- 16. input / The work done on a machine.
Down
- 1. / A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral.
- 2. efficiency / A comparison of a machine's work output with the work input.
- 5. / A unit of work equal to one newton-meter
- 6. plane / A flat surface set at an angle or an incline with no moving parts that is able to lift objects by pushing or pulling the load.
- 8. / A device that makes work easier by changing the size or direction of a force.
- 9. / A measure of power equal to one joule of work per second.
- 11. and Axle / A simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects.
- 14. output / The work done by a machine.