We present a theoretical and experimental analysis of circular-like orbits made by a marble rolling on a warped spandex fabric. We show that the mass of the fabric interior to the orbital path influences the motion of the marble in a nontrivial way and can even dominate the orbital characteristics. We also compare a Kepler-like expression for such orbits to similar expressions for orbits about a spherically symmetric massive object in the presence of a constant vacuum energy, as described by general relativity.
CITATION STYLE
Middleton, C. A., & Langston, M. (2014). Circular orbits on a warped spandex fabric. American Journal of Physics, 82(4), 287–294. https://doi.org/10.1119/1.4848635
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