Pedagogy: The Bubble Analogy and the Difference Between Gravitational Forces and Rocket Thrust in Spatial Flow Theories of Gravity
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| Scientific Paper | |
|---|---|
| Title | Pedagogy: The Bubble Analogy and the Difference Between Gravitational Forces and Rocket Thrust in Spatial Flow Theories of Gravity |
| Author(s) | Thomas D Martin |
| Keywords | {{{keywords}}} |
| Journal | None |
| No. of pages | 7 |
Abstract
We present a physical analogy which can be used to understand the issues involved in the Principle of Equivalence in so-called spatial flow theories of gravity, and we discuss the essential kinematic properties of the flow which distinguish its gravitational, non-inertial, and inertial modes. We also point out that the acceleration experienced by a body moving in the flow does not always coincide with the co-moving derivative of the flow itself.
