Across
- 4. a smaller group of parts that work within a complex machine that performs a specific function.
- 9. a simple machine made up of two wheels of different diameters that turn together.
- 13. the physical form of the device that makes it usable.
- 17. the amount by which a machine can multiply a force.
- 19. the force applied to operate a machine.
- 21. a system where simple machines all work together
- 23. a simple machine that consists of a cylinder with a groove cut in a spiral on the outside.
- 24. the force a machine applies on an object.
- 25. a purpose or task.
Down
- 1. a belt or chain that transfers energy from an energy source to an object.
- 2. a pair of wheels that have teeth that interlock.
- 3. a special type of linkage for transferring the energy from the engine to the wheels in a large vehicle.
- 5. the measure of how the speed of the object is affected by a machine.
- 6. a simple machine made up of a flat surface, such as a board, at an angle to another flat surface, such as the ground or a table top.
- 7. a tool or device that made up of one basic machine.
- 8. a simple machine that looks like an inclined plane, but is forced into an object.
- 9. what is done when a force acts on an object to make the object move.
- 10. the measurement of how well a machine or device uses energy.
- 11. an enclosed liquid will transmit pressure equally in all directions.
- 12. a system that uses liquid under pressure to move an object.
- 14. a group of parts that work together to perform a function.
- 15. a simple machine made up of a rigid bar or plank that rotates on a fixed object called a pivot.
- 16. a device that helps us do work.
- 18. the measurement of the amount of force applied to a given area.
- 20. the force that opposes motion.
- 22. a simple machine made up of a wire, rope, or cable moving on a grooved wheel.