Simple Machines

3. helps you push things apart.
8. Force force that is applied to an object by a person or another object.
9. comparison of work output to work input and is always expressed as a
12. Plane simplest of simple machines because to make it work, nothing moves.
14. rate at which work is done, or the amount of work per unit of time.

1. Two toothed wheels fit together either directly or through a chain or belt so one wheel will turn the other.
2. Advantage number of times a machine multiplies the force.
4. Force the force the machine exerts on a object
5. can work by turning into an object or flat surface.
6. a wheel and axle with a rope or chain attached.
7. the object that attaches the wheel to the object it's moving
10. Force the force you put on the machine
11. simple machine that makes work easier for use
13. using a force to move an object a distance