Unit 2 Vocabulary

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Across
  1. 4. composed of two or more simple machines
  2. 6. force-amplifying effectiveness of a simple machine
  3. 10. the amount of work done divided by the time it took
  4. 11. the point on which the beam pivots
  5. 12. a beam connected to ground by a hinge, or pivot, called a fulcrum
  6. 14. force times distance; a measure of the energy expended in applying a force to move an object.
  7. 15. simple machine involves two circular objects — a larger disc and a smaller cylinder both joined at the center
Down
  1. 1. A machine with few or no moving parts that is used to make work easier
  2. 2. an inclined plane around a cylinder
  3. 3. simple machine consisting of a sloping surface, used for raising heavy bodies
  4. 5. a simple machine that consists of two inclined planes, giving it a thin end and thick end
  5. 7. the amount of force applied by the user
  6. 8. the point around which the object can rotate or turn
  7. 9. mechanisms compost by wheel and rope used to lift heavy objects onto tall heights
  8. 11. also known as fulcrum
  9. 13. a push or pull on an object that produces acceleration in the body on which it acts.