English

The Electric Fan (Physics of Technology Series)

A module on rigid body rotation. Covers rotational kinematics and dynamics, including rotational speed, rotational acceleration, torque, center of mass, moment of inertia, rotational kinetic energy, and rotational balancing. Knowledge of linear kinematics and Newton’s second law is prerequisite. THE PILE DRIVER or THE STROBOSCOPE are suitable preliminary modules. THE ELECTRIC FAN is the only module which treats rotational motion in depth. Part of the Physics of Technology program, a 27-module introduction to physics at a pre-calculus level. The American Institute of Physics coordinated this program in the 1970s, with modules created by Florissant Valley Community College, Oak Ridge Associated Universities, the State University of New York at Binghamton, and TERC. From the Instructor’s Manual : This module is about rotational motion. The title device is an electric fan, but essentially any rotating device whose rotational speed can be varied from about 0-2000 rpm (for example, a simple motor) will work. The fan was selected because it has a protective grill in case something flies off. Section A is primarily about rotational kinematics. The student learns about the terms which descr

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