Simple Machines

3. unit for time
5. the work you do on the machine
8. the work done by a machine on an object
10. a inclined plane makes work easier by decreasing the input force, but increasing the _____________
11. a simple machine that has a grooved end of the rope, and an input force is applied to the other end
12. a simple machine that has a bar that pivots at a fixed point called a fulcrum
14. this is an inclined plane that is wrapped in a spiral around a cylinder
16. a comparison of a machine's work output with the work input
20. this is a pair of inclined planes that move
22. a simple machine consisting of two circular objects of different sizes
23. the rate at which work is done or energy is transformed

1. the transfer of energy to an object by using a force that causes the object to move in the direction of the force
2. a fixed point that is found in levers
4. a wheel-barrow is an example of this type of lever
6. a simple machine that is a straight, slanted surface
7. unit for work
9. a number that tells how many times a machine multiplies force
13. unit for force
15. a hammer is an example of this type of lever
17. in this type of lever the fulcrum is in the middle of the load and input force
18. machines that are made of two or more simple machines
19. a device that makes work easier by changing the size or direction of a force
21. unit for power