Oscillating Mass

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IB Physics Design Lab

Period of an Oscillating Mass

Joy Fan

International Baccalaureate

Sir Winston Churchill Secondary School

October 2, 2009

Period of an Oscillating Mass

1 Planning A

1.1 Research Question

The aim of this experiment is to predict how the mass of the oscillating object m and the elongation of the spring l will influence the period of an oscillating mass on a spring and devise an experiment to test that prediction.

1.2 Hypothesis

The oscillating mass comprises of a vertically-hanging mass on a spring. Physical quantities of the oscillating mass include mass m, length l of the elongation of the spring, the spring constant k, and the period T of the oscillating mass (which is the time it takes for the mass to swing through one complete oscillation). I am choosing to study the mass m of the object and the length l of the elongation of the spring because past experience and preliminary investigation lead me to believe that the period of the oscillating mass should have a direct relationship with these two factors.

The Second Law of Motion as proposed