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More Tinkering by Curt Gabrielson

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Chapter 19 Newton’s Slingshot

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Tinker Newton’s laws with rubber-band power.

Kids in Timor love to make and shoot slingshots. As I watch them pull the rubber bands back and set the stone to sailing, I always think of Uncle Isaac Newton’s laws of motion. Here’s a fun little set of experiments we developed for teachers to demonstrate those laws in the context of slingshots.

Gather stuff

  • Forked branch
  • Rubber bands, maybe 20
  • Piece of sturdy cloth
  • Loop of yarn or a stick to scratch a circle on the ground
  • Rocks: two the same, one big and one small

Gather tools

  • Saw
  • Scissors

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