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Small Gear Turning a Large Gear

Small Gear Turning a Large Gear
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2015-04-12 09:40
CircleAngleTransformation
In collections LEGO MINDSTORMS robotics
This example demonstrates the motion of a small gear turning a large gear. It involves geometric construction and transformation. Using GeoGebra commands such as Circle, Rotate, and Angle, the motion trajectory of the gears can be constructed. Suitable for middle school and above students or teachers for teaching demonstrations.

GeoGebra Commands & Parameters

  1. Circle((0, 0), 0.5) → c
  2. Circle((3, 0), 2.5) → d
  3. Rotate(pic2, α, A_1) → pic2'
  4. Rotate(pic4, (-((1 / 5 * α))), A_2) → pic4'
  5. Angle(Rotate[A_1, ((-0.2) * α), A_2], A_2, A_1) → β