Science Vocab

2. The distance through which the input force acts in a machine
4. A device that changes a force
7. The distance an output acts through in a machine
8. a V-shaped object whose sides are two inclined planes sloped toward each other
13. The work done by a machine
14. the distance between the fulcrum in a lever and the output force
17. The distance between the fulcrum in a lever and the input force
18. The percentage of the work input that becomes work output in a machine
20. The SI unit of power
21. A common unit of power equal to about 746 watts

1. The force exerted on a machine
3. A slanted surface along which a force moves in object to a different elevation
5. The work done on a machine
6. A rigid bar that is free to move around a fixed point
9. the product of distance and the force in the direction an object moves
10. The rate of doing work
11. a simple machine that consists of a rope that fits into a groove in a wheel
12. The SI unit of work
15. The fixed point a lever rotates around
16. an inclined plane wrapped around a cylinder
19. The force exerted by a machine