Astronomy and physics education research and comments, field-tested think-pair-share (peer instruction) clicker questions, flashcard questions, in-class activities (lecture-tutorials), current events questions, backwards faded scaffolding laboratories, Hake gains, field-tested multiple-choice and essay exam questions, indices of discrimination, presentation slides, photos, ephemerae, astronomy in the marketplace, unrelated random sketches and minutiae.
20071009
Uniform circular motion: centripetal net force
Li Wei, liweiart.com 047-01, "Life in the high I" (detail) Beijing July 1, 2004
Demonstration of the inward (centripetal) net force required for uniform circular motion.
Li Wei, liweiart.com
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