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Helen Keller Elementary School > 2nd Grade Pages > Ms. Parker's Class

Simple Machines

What are Simple Machines?

  • A machine is a device that does work. Machines do not increase the amount of work done, but they do make work easier.
  • Machines make work easier by changing force or distance, or by changing the direction of the force.
  • There are three simple machines: the lever, the pulley, and the inclined plane.
  • The wheel and axle, the wedge, and the screw are modifications of the three simple machines.
  • A complex machine is a machine made up of two or more simple machines.
excerpt from Machine Home Page

 Links to Simple Machines

3486  
Updated: May 26, 2003  



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