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Circular Motion

Rolling Down an Incline

Finding the mass of a meter ruler: Application Experiment


Find the mass of the ruler via two independent methods

Prior Knowledge

  1. Newton's Laws
  2. Torques
  3. Springs
  4. Simple Harmonic Motion

Description of the Experiment

Watch the video. Explain the purpose of the first two experiments.

How can you use the last two experiments to determine the mass of the ruler?

Find the mass of the ruler using two independent methods. Write down the procedures that you will use.

Addtional Information

  1. Each blue mass used in the experiment is 100g.
  2. The ruler is 1m long.
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Do your answers agree? If not, suggest possible reasons why not.