Making Pulleys

The students began their first science unit with the challenge of creating a pulley system to raise a bucket of water from a well.  After sharing our designs, we created an improved system shown below.

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DSCN0230This was the model we created after viewing all the groups’ designs.  Notice how the structure holding the pulley is stable and the wheel of the pulley rotates around the axle.  This pulley was able to change direction of the force needed to list the load.  We pulled “sideways” to lift the load” up.”

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