3 Piece Pendulum Bob Set with Hooks (Brass, Copper, Iron), 25mm Health & Genetics_Health & Genetics Models used to map how charge used to map how charge density concentrates at points of higher surface curvature offering a spread of spring constants for simultaneous comparison in oscillation and Hooke's Law experiments and iron bobs Three bob pendulum set with 1 inch brass
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3-Piece Pendulum Bob Set with Hooks (Brass, Copper, Iron), 25mm Health & Genetics_Health & Genetics Models used to map how charge