Simple Machines

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Across
  1. 3. using force to move something in the direction we want it to go
  2. 4. a pulley that has both a fixed pulley, and a moveable pulley
  3. 5. the machines make our life easier
  4. 7. plane a slanted surface to move things up and down; ramp
  5. 8. a wheel that has teeth, and usually needs two to help move each other
  6. 10. a simple machine that has a rope and pulls loads up and down
  7. 11. round in shape, and usually are on an axle
  8. 12. is what a wheel rotates on
  9. 13. a simple machine that helps move heavy objects, but has to moved to the front each time
Down
  1. 1. the force that resists motion or movement between two objects that are touching
  2. 2. a pulley that does move with the load it is carrying
  3. 6. a type of pulley that does not move with the load it is carrying
  4. 9. a simple machine that balances on a lever