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Best machines power point

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Transcript

  • 1. Simple Machines by colleen
  • 2. Simple machines are tools that make work easier.
  • 3. A wheel with an axle is a simple machine.
  • 4. This bicycle is an example of a wheel with an axle.
  • 5. This turbine gear is another example of a wheel with an axle.
  • 6. A lever uses a bar and a fulcrum to lift or move things more easily.
  • 7. A see-saw is an example of a lever.
  • 8. A bottle opener is a type of lever.
  • 9. An inclined plane has a slanted surface. It is easier to move something up or down.
  • 10. A wheelchair ramp is an inclined plane that helps people get into and out of buildings.
  • 11. Stairs are another form of inclined planes.
  • 12. A pulley is a simple machine that uses a rope and wheel to lift things up and down more easily.
  • 13. A fishing pole is an example of a pulley.
  • 14. Sailboats have many pulleys to hoist the sails.
  • 15. We use simple machines everyday!