Unit D Crossword - Angelica

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Across
  1. 2. simple machine made up of a rigid bar or plank that rotates on a fulcrum or pivot
  2. 7. part of a bicycle that transfers your energy from the pedals to the back wheel
  3. 9. device that helps us do work on a daily basis
  4. 10. pair of wheels with teeth that when they rotate together, one gearwheel transfers turning motion and force to the other
  5. 12. amount by which a machine can multiply a force (calculated by dividing output force by input force)
  6. 15. simple machine made up of a flat surface, such as a board, at an angle to another flat surface
  7. 17. the energy source of a car that causes pistons to move when combusted
  8. 18. smaller group of parts within a complex machine that performs a specific function
  9. 19. simple machine that consists of a cylinder with a groove cut in a spiral on the outside
  10. 21. states that when pressure is applied to liquid in a container, the pressure and force is transmitted equally throughout the liquid
  11. 22. the force the machine applies to the object
  12. 23. done when a force acts on an object to make the object move
  13. 24. measurement of how well a machine or device uses energy
  14. 25. simple machine that looks like an inclined plane, but is forced into an object
Down
  1. 1. system in which numerous simple machines work together
  2. 3. type of simple machine made up of two wheels of different diameters that turn together
  3. 4. part of a bicycle that uses a lever to increase the force you apply with your hands
  4. 5. force that opposes motion
  5. 6. a type of simple machine used to haul water out of a well for storage in large tanks or for irrigation
  6. 8. system that uses liquid under pressure to move loads & works according to Pascal's law
  7. 11. measure of how the speed of the object is affected by a machine (calculated by dividing the input distance by the output distance)
  8. 13. tool or machine made up of one basic machine
  9. 14. simple machine that allows you to lift larger loads than you could lift on your own using a wire, rope or cable moving on a grooved wheel
  10. 16. amount of force applied to a given area
  11. 20. force applied to the machine