Mechanics > Properties of Matter

DCS# 3A70.25

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1-D CRYSTAL

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APPARATUS

four identical pendulums	202-17-E5
five springs -- three stiff, two loose	202-17-E5
hooks	202-01-F6
metal rod	202-03-E

 

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DESCRIPTION

Four identical pendulums connected by springs can be used to show normal modes and to model lattice vibrations in a 1-D crystal.