Gears 1

A gear is made from a toothed wheel and axle.
 

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In this diagram, the gold gear is the drivinggear.  
As the gears are the same size, only the direction of movement ischanged. 
  • What would happen to the direction of rotation if you had three gears?
  • Four?
  • Can you write down a rule to link the number of gears in a gear trainto the direction of rotation of the last driven gear?
  • see if you are correct