Across
- 2. A simple machine that is an inclined plane wrapped around a central cylinder to form a spiral
- 4. a simple machine that consists of a bar that pivots at a fixed point called a fulcrum
- 6. A measure of power equal to one joule of work per second
- 9. the work done by a machine
- 11. 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.
- 13. 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.
- 14. the work done on a machine
- 15. A device that makes work easier by changing the size or direction of a force
Down
- 1. a simple machine that is an inclined plane that moves
- 3. is a comparison of a machine's work output with the work input
- 5. a combination of two or more simple machines that operate together
- 7. force x distance moved in direction of force
- 8. A unit of work equal to one newton-meter
- 9. a simple machine consisting of two circular objects of different sizes; the wheel is the larger of the two circular objects
- 10. the number of times that the machine increases an input force
- 12. the rate at which work is done