Project Choice 1

6. efficiency, A comparison of a machine's work output with the work input
7. and axle, A simple machine made of two circular objects of different sizes the wheel is the larger of the two circular objects
8. A simple machine that consists of an inclined plane wrapped around a cylinder
10. Measure of power equal to one joule of work per second
13. machine, A combination of two or more simple machines that operates together
14. A simple machine that consists of a bar that pivots at a fixed point called a fulcrum

1. A type of lever that's 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
2. A device that makes work easier
3. rate work is done
4. Unit for work
5. plane, A flat surface set at an angle of an incline with no moving parts that's able to lift objects by pushing or pulling the load
6. The number of times that the machine increases an input force
9. output, The work done by a machine
10. A simple machine that is an inclined plane that moves
11. input, The work done on a machine
12. A result of a force moving an object a certain distance