Simple Machines

1234567891011121314151617181920212223
Across
  1. 4. and Axle A wheel that turns on a center post or rod, used to move
  2. 5. A stiff bar that moves on a fixed point called a fulcrum, used to lift or
  3. 6. The amount of weight that needs to be moved
  4. 7. The force of one object pulling on another
  5. 10. Middle part of a lever that supports length of bar
  6. 13. or raise an object
  7. 14. A device for doing some kind of work
  8. 15. A wheel with teeth, one gear connects to and turns another
  9. 16. The amount of area an object will move
  10. 19. A rubbing force of one object against another causing movement to
  11. 22. The amount of energy exerted
  12. 23. An inclined plane wrapped around a shaft, used to hold objects together
Down
  1. 1. A wheel with a groove that a rope fits into, used to lift or move objects
  2. 2. stop
  3. 3. down.
  4. 4. Two inclined planes put together to form a v-shape, used to split,
  5. 8. Plane A sloping surface connecting a lower surface with a higher
  6. 9. Machine More than one simple machine working together
  7. 11. The result of a force moving an object work = effort force x distance
  8. 12. Ability to do work
  9. 14. heavy objects.
  10. 17. used to move heavy loads up or down
  11. 18. Machine One of six tools that make work easier
  12. 20. or change power, speed, or direction of movement
  13. 21. A push or pull on an object that causes it to change direction, move