Simple Machines

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Across
  1. 1. have been combined. Pliers are an example of a compound
  2. 2. by spreading that force over greater distance and/or reducing resistance
  3. 3. machines A machine in which two or more simple
  4. 5. force The push or pull on an object that works against effort
  5. 7. plane A simple machine that uses a ramp to reduce the effort
  6. 9. around it.
  7. 11. an axle, which that is attached to a wheel.This force is multiplied and
  8. 12. in combination to increase applied force in order to make work easier.
  9. 13. force The force exerted to do work.
  10. 17. The fixed balancing point of a lever. An example of a fulcrum is
  11. 18. machines Devices used to reduce the effort force needed to do
  12. 22. inclined planes.
  13. 23. by increasing the distance. A wedge and a screw are examples of
Down
  1. 1. advantage (MA) The number of times that a machine multiplies
  2. 2. A simple machine that applies force to a fixed bar
  3. 4. that uses a lever and a wheel-and-axle.
  4. 6. wood and rocks and raising heavy objects.
  5. 8. a wheel to move a greater distance with less effort.
  6. 9. A simple machine that tapers to a thin edge and can be used for
  7. 10. and tackle A compound machine consisting of fixed and
  8. 14. Gravity and friction can be considered resistance forces.
  9. 15. effort force.The greater the MA, the less effort force is required.
  10. 16. wheel that can turn to reverse the direction of a force. Pulleys are
  11. 19. A simple machine consisting of a cord or rope wrapped around a
  12. 20. A simple machine that consists of a rigid bar turning on a fixed point
  13. 21. A simple machine consisting of a central core with a groove