Mechanical Crossword

2. A group of parts that work together to perform a general function to form a complex machine.
4. Force that will oppose motion.
8. Simple machine that consists of a cylinder with a spiraling groove cut into it.
10. Simple machine that's made up of a plank or rigid bar that rotates on a fulcrum.
11. Measurement of how well a machine uses the energy it is given.
13. Smaller group of parts inside a complex machine that perform a specific function.
14. Belt or chain that transfers energy from a source to an object.
15. When a force manipulates an object to make it move; calculated by using force×distance.

1. Pair of wheels that have teeth that interlink; they transfer turning motion and force to the next gear when they rotate.
3. Measurement of how much force is applied to a given area; measured in pascals and calculated by using force÷area.
5. Unique type of linkage for transferring energy from the engine to the wheels in large vehicles.
6. Simple machine that is similar to an inclined plane; the difference is that it is forced into an object.
7. Simple machine that is made up of a rope moving on a grooved wheel.
9. Device that helps us do work.
12. Purpose or task.