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Magnetic Vector Arrows with Bars
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After attending an ISLE workshop, I thought it would be fun to design some vector arrows such that they could change length. Here is the design I cam up with! The design includes an embedded magnet, which should be inserted before the print finishes. Magnets come in different sizes, the models use magnets as described in the file name, specifically:10 mm x 5 mm x 2 mm (smallest, weakest, but also cheapest) 10 mm x 5 mm x 3 mm12 mm x 5 mm x 3 mm (shown in the picture, very good results!)20 mm x 5 mm x 3 mm (largest, prefered for the large kit)With these kits, you can have students show examples of an object speeding up in the positive direction or negative direction, or they could show the velocity decreasing in the positive or negative directi
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