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Re: [Phys-L] [**External**] pendulum ideas



I'll offer two:

1. Starting with a meter stick pendulum, experimentally determine where to
attach a small mass without changing the period. This leads into
discussions of the sweet spot (center of percussion?).

2. Predicting and then finding the period of "unusual" physical pendulums
is oddly satisfying.
https://twitter.com/pckeller/status/1357717348652900353?s=20

Phil

On Mon, Aug 30, 2021 at 11:01 PM Anthony Lapinski <alapinski@pds.org> wrote:

I teach high school physics and have done the typical pendulum lab where
kids vary the mass, length, and swing angle. They can plot period vs length
and determine the length of a pendulum with a period of one second. Etc.
Fairly simple, but I want to make it more interesting (if possible).
Have any of you tried extensions of this activity -- where kids can take
measurements -- to make it more relevant?

physical pendulum?
grandfather clocks?
swinging arms and legs when walking?
Foucault pendulum?
metronome?
playground swings?
amusement park rides?

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