Across
- 6. Group of parts that work together to perform a function
- 7. Devices that are made up of several simple machines
- 10. This law makes hydraulic and pneumatic systems possible
- 13. The physical form of the device that makes it usable
- 14. Special type of linkage for transferring the energy from the engine to the wheels in large vehicles such as cars
- 16. Essential components of most mechanical systems. They consist of a pair of wheels that have teeth that interlink
- 17. Uses a liquid under pressure to move loads
- 18. Combination of two wheels of different diameters that turn together
- 19. Force applied to the machine
- 20. Device that helps us do work
- 21. A force that opposes motion
- 22. Groups of parts that perform specific functions
- 24. Looks like an inclined plane but is forced into an object
Down
- 1. Consists of wire, rope, or cable moving on a grooved wheel
- 2. The amount by which a machine can multiply a force
- 3. The force the machine applies to the object
- 4. Rigid bar or plank that can rotate around a fixed point called a pivot or fulcrum
- 5. Helps move large, heavy objects that are too heavy to lift straight up
- 6. A measure of how the speed of the object is affected by a machine
- 8. A measure of the amount of force applied to a given area
- 9. What the device is supposed to do
- 11. Tool or device made up of one basic machine
- 12. A measurement of how well a machine or device uses energy
- 15. Belt or chain to transfer energy from an energy source to an object
- 23. Cylinder with a groove cut in a spiral on the outside
- 24. When a force acts on an object to make the object move