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Circular Motion

Rolling Down an Incline

Two Bottles: Qualitative Testing Experiment

Aim

Predict which bottle will reach the end of the ramp first.

Prior Knowledge

  • Rolling Observations.
  • Newton's Laws.
  • Kinematics

Description of the Experiment

Two identical bottles, one packed with snow and another filled with an equal mass of water, are allowed to simultaneously roll down a ramp. Predict which bottle will reach the end of the ramp first.

Youtube movies can be stepped frame by frame using the , and . keys on your keyboard. If you want to download the movie to your computer, right-click or control-click HERE.

Questions

Now that you have watched the video, did your prediction agree with what you observed? If your prediction was incorrect, try and use your physics knowledge to explain what you see.