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Simple Machines Introduction to
What are they? ,[object Object]
Types of Simple Machines Wedge Wheel and Axle Lever Inclined Plane Screw Pulley
Wedge ,[object Object],[object Object]
Wheel and Axle ,[object Object],[object Object]
Lever ,[object Object],[object Object]
Inclined Plane ,[object Object],[object Object]
Screw ,[object Object],[object Object],[object Object],[object Object]
Pulley ,[object Object],[object Object]
Why Use Simple Machines? ,[object Object],[object Object],[object Object]
Complex Machines ,[object Object],[object Object],[object Object],[object Object],[object Object]
Summary Wedge Pushes material apart, cuts Wheel and Axle Makes it easy to move things  by rolling them, and reducing friction Lever Helps lift heavy weights  using longer distances Inclined Plane Makes it easier to move objects upward; a longer path, but easier lifting Screw Turns rotation into lengthwise movement Pulley Makes lifting heavy weights easier  by redirecting force
References ,[object Object],[object Object]

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Cub simple lesson01_presentation

  • 2.
  • 3. Types of Simple Machines Wedge Wheel and Axle Lever Inclined Plane Screw Pulley
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Summary Wedge Pushes material apart, cuts Wheel and Axle Makes it easy to move things by rolling them, and reducing friction Lever Helps lift heavy weights using longer distances Inclined Plane Makes it easier to move objects upward; a longer path, but easier lifting Screw Turns rotation into lengthwise movement Pulley Makes lifting heavy weights easier by redirecting force
  • 13.