The Physics of a Falling Slinky

This YouTube video includes a very-slow-motion demonstration of how a real Slinky toy behaves as it falls. The result is fascinating, counter-intuitive, and highly informative. It beautifully combines such concepts as centre or mass, acceleration due to gravity, and equilibrium. On another level, it also demonstrates how we can broaden our view of the natural world by simply changing our perspective, in this case by using technology to slow down our perception of time. When the tutoring season starts up again in September I will very likely be showing this to my physics students.

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