Homework on the moment of inertia of a human arm was set to the first‐year students in a dynamics class in a university. In this homework students must measure the sizes of several parts of their arm and calculate the moment of inertia of the arm and so on. They are requested to measure the period of swinging arm motion and compare it with that of calculated value in the case that it is assumed as a rigid body pendulum. The impressions of the students to the homework and the effects of the homework to the students were also examined.

Topics
Rotational dynamics, Education
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© 2010 American Institute of Physics.
2010
American Institute of Physics
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