G9 Engineering Project Develop and Plan

Newton’s Cradle

Design Sketches:

I decided on one of the projects from my research: the Newton’s Cradle. Mainly because there isn’t much time allotted for this project which meant that this plan had to be viable to finish in less than 3 classes. The Newton’s Cradle would be a simpler design and would take less time that my other projects and plans researched. For energy transfer, it would show the potential energy when you lift up a marble from one side transfer into kinetic energy when you release the marble. Kinetic energy would then be transferred through the mechanism resulting in the marbles on the two sides to move for several repetitions, which makes up the core mechanism of the Newton’s Cradle.

Materials:

  • String * 1.4m (approx.)
  • 25mm Marbles *5 (preferably fully transparent)
  • 20cm*15cm*2cm wood *1
  • 14cm*2cm*2cm wood *4
  • 20cm*2cm*1cm wood *2

Tools:

  • Laser Cutter
  • Wood Glue
  • Hot Glue Gun

Plan:

Feb 23: Order glass marbles, laser cut wood bases/pillars

Feb 27: Glue wood pieces together to form the overall structure of the design, Cut string and thread the string through the marbles, hot glue threaded marbles to the structure of the design

Mar 1: Finalize project, finish missing steps/components of the Newton’s Cradle design

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