Conic Sections
Purpose
Visual aid for understanding conic sections -- circles, ellipses, parabolas, and hyperbolas -- as planar cuts through a cone. Connects the geometry to orbital trajectories under gravity: orbit shape depends on total energy and angular momentum.
Figure 1:
Dissectible wooden cone model with removable pieces. Well-suited to passing around a smaller group for hands-on examination.
Figure 2:
Transparent plastic model with colored sections. Better visibility for larger classes -- the colored slices are easy to see from the back of a lecture hall.
Demo Apparatus
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