Across
- 3. simple machine that consists of a cylinder with a groove cut in a spiral on the outside
- 4. done when a force acts on an object to make the object move
- 6. smaller group of parts within a complex machine that performs a specific function
- 7. simple machine made up of a flat surface
- 8. when pressure is applied to a liquid in a container the pressure force is transmitted equally and undiminished throughout the liquid
- 10. simple machine made up of a rigid bar or plank that rotates on a fixed object called a pivot or fulcrum
- 12. force a machine applies to an object
- 14. purpose or task
- 16. special type of linkage for transferring the energy from the engine to the wheels in large vehicles such as trucks and cars
- 19. system in which simple machines all work together
- 20. system that uses liquid under pressure to move loads
- 23. simple machine that looks like an inclined plane but is forced into an object
- 24. belt or chain to transfer energy from an energy source to an object
Down
- 1. measure of the amount of force given to an area
- 2. force applied to operate a machine
- 4. simple machine made up of two wheels different diameters that turn together
- 5. amount by which a machine can multiply a force
- 9. force that opposes motion
- 11. simple machine made up of a wire or cable moving on a grooved wheel
- 13. measurement of how well a machine or device uses energy
- 15. the point on which the lever rests
- 17. measure of how the speed of the object is affected by a machine
- 18. device that helps us to do work
- 21. a group of parts that work together to perform a general function
- 22. pair of wheels with the teeth that interlink