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Stopped Pendulum
# 1M40.15

Middle setting 576k 320X240
Middle setting 312k 160X120
Top setting 572k 320X240
Top setting 324k 160X120
Description: Raise the pendulum to one side and release it. The pendulum reaches almost the same maximum height at both ends of its swing. Some energy is lost. The rod used as the stop bar can be set to different heights.

Instructions: Middle Setting

Top Setting

Parts: stopped pendulum, long reference bar

Purchased/Built: built

Setup Time: 5 min

Quant. in Demo Room: 1

Demo References
The Video Encyclopedia of Physics Demonstrations Disc 03-13 Intercept the string of a pendulum by a post at the bottom of the swing.
Freier and Anderson Mr-3 A pendulum swing is started at the height of a reference line. A stop is inserted and the bob still returns to the same height.

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