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On the Variation of Apparent Weight with Altitude Above a Planet with an Atmosphere by A Gordon Emslie; Travis P Oliver is a Physics and Astronomy article available to read on EtoBox.
What is On the Variation of Apparent Weight with Altitude Above a Planet with an Atmosphere about?
Abstract We study the variation of the apparent weight of an object with height above the surface of a planet with a (buoyant) atmosphere. Interestingly, this variation depends on two competing factors—the reduced gravitational acceleration (which acts to reduce the weight with increasing height) and the reduced buoyancy force in the progressively less dense atmosphere (which acts to increase the apparent weight of an object relative to its value at the planetary surface). The relative sizes of these two competing effects are evaluated for various bodies in the Solar System. For most planets, and the one pertinent moon (Titan), the effects are quite comparable in magnitude. However, the relatively tenuous atmosphere of Mars renders the reduced buoyancy effect negligible; the apparent weight of an object thus (as generally assumed) does decrease with height. At the other extreme, the very dense atmosphere of Venus makes the reduced buoyancy effect an order of magnitude more important than the effect of reduced gravitational acceleration, so that the apparent weight of an object increases with height in the Venusian atmosphere. In addition to deriving these intrinsic results (which a
Who reads On the Variation of Apparent Weight with Altitude Above a Planet with an Atmosphere?
It is typically read by researchers, students, and practitioners in Physics and Astronomy.
- Author
- A Gordon Emslie; Travis P Oliver
- Published
- 2022
- Language
- EN
- Field
- Physics and Astronomy (Physical Sciences)