Unit D Crossword Ernani A.

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Across
  1. 4. Machine that uses water to move something or to make something function.
  2. 9. Tool or device made up of one basic machine
  3. 10. resistance of one force encountering a different object
  4. 13. The force that is applied to the object by a machine.
  5. 15. Smaller group of parts within a complex machine that performs a specific function.
  6. 18. Simple machine made up of two wheels of different diameters that turn.
  7. 19. Simple machine that consists of a cylinder with a groove cut in a spiral on the outside.
  8. 20. Simple machine made up of a wire, rope, or cable moving on a grooved wheel; may be made up of one or many wheels. It can be fixed in place or movable.
  9. 21. System in which simple machines all work together making one big machine.
  10. 23. Doing something mentally or physically and achieving a result like a machine.
Down
  1. 1. Simple machine made up of a flat surface at an angle to another flat surface, such as a table or on ground as a ramp
  2. 2. Pair of wheels with teeth that interlink when they rotate together. One gearwheel transfers turning motion and force to the other
  3. 3. The ratio of the force produced by a machine to the force applied to it. Used to show how good a machine performs.
  4. 5. Simple machine made up of a rigid bar or plank that rotates on a fixed object called a pivot or fulcrum.
  5. 6. Purpose of an object.
  6. 7. A group of parts that work together to perform a general function, forming a complex machine.
  7. 8. effort force is the force applied to a machine
  8. 11. Amount of force measured applied to an area
  9. 12. Measure of how well a machine or a device uses energy.
  10. 14. An enclosed liquid that transmits pressure equally in all directions
  11. 15. The measure of how a machine affects speed.
  12. 16. Simple machine that looks like an inclined plane, but is forced into another object.
  13. 17. Device that help us do work.
  14. 22. Belt or chain to transfer energy from an energy source to an object.