Description
retaining field strength across years of classroom handling
Thirty-seven-point-five-cm perforated metal lever on a magnetic base
Five-pack of 3/4-inch plastic marbles
and frequency-response student work
and 0-500mV at plus-or-minus 2
Center of Gravity Demonstration Kit Graduations_Raised retaining field strength across yearsCenter of gravity kit demonstrating how objects balance at their center of mass, a compact apparatus for introductory work on equilibrium and balance.
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