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The Wooden Wonder
Cody Johnson
Jared RowlandStephen Sherwood
Nick Watson
The Team
Introduction Our main goal was to create a contraption to
activate a cat toy. We acquired our materials mostly from the
scrap pile or around the house. We only purchased a roll of wire and wooden
balls from a craft store.
Overview Starting off, a steel ball bearing rolls down a
tube, hits a ramp and lands in a PVC pipe pivoting on an axis.
The PVC pipe flips downward, releasing the ball bearing into another pipe.
The ball bearing then strikes a wooden Newton’s Cradle ball that rests inside the pipe at the end.
Overview (cont’d) The energy is then transferred to a wooden ball
resting on a piece of wood. The wooden ball rolls down a ramp, then
strikes a toy dump truck. The toy truck rolls down the final ramp,
striking two electrical connections, which then activates the cat toy.
The Wooden Wonder!
Concepts Demonstrated Projectile Motion
• Steel ball launching into PVC pipe Center of Mass
• PVC pipe pivoting on a board Collision
• Steel ball hitting wooden ball• Wooden ball hitting truck
Conservation of Energy• Newton’s Cradle
Conclusions This project took a lot longer than it should
have. We had a lot of problems with the toy dump
truck going down ramp and turning on the cat toy.
This project was a lot of trial and error, but the outcome was neat.