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Don’t Let Granny Break A Nail!

Don’t Let Granny Break A Nail!. A Rube Goldberg device that opens a tea box. Team Members. Garrett Evans Carlisha Simpson Michael Deiderich Brittany Caldwell. The Machine. This machine is designed to open a tea jar with a paint can lid. First Step.

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Don’t Let Granny Break A Nail!

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  1. Don’t Let Granny Break A Nail! A Rube Goldberg device that opens a tea box.

  2. Team Members • Garrett Evans • Carlisha Simpson • Michael Deiderich • Brittany Caldwell

  3. The Machine • This machine is designed to open a tea jar with a paint can lid.

  4. First Step • A compressed spring is released, changing energy from potential energy of a spring into kinetic energy of a ball.

  5. Second Step • As the ball rolls up a ramp, its kinetic energy is changed into gravitational potential energy

  6. Third Step • When the ball’s velocity changes from positive to negative, the potential energy is converted into kinetic energy

  7. Fourth Step • The ball rolls into a cup which drops. The force of the ball and cup then pushes a string.

  8. Fifth Step • The string moving pulls a support from underneath an arm, which makes the arm drop. This step converts potential energy into kinetic energy.

  9. Sixth Step • The falling arm hits the screw driver which acts as a lever opening the tea can

  10. Eureka! • The tea jar is open!

  11. Conclusion • The jar top is popped open from energy changing in six steps. • Any Questions? • Thank you

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