American Association of Physics Teachers Winter 2012
In introductory mechanics laboratories there are many simple investigations
that are related to conservation of energy. Often, these investigations
are based upon a simple idea of moving an object up an incline, or rolling
objects down an incline, determining initial and final velocities and change
in gravitational potential energy. However, an electric motor can be used to
make similar measurements at a constant speed by continuously monitoring
the current and voltage as a function of time. This method allows more
complex and interesting investigations.
Mark Masters, Jacob Millspaw, Finn Buldt, and Skyler Stauffer (2013).
Using Electric Motors to Explore Conservation of Energy Concepts. Presented at American Association of Physics Teachers Winter 2012, Ontario CA.