Anti-Gravity Force: Is the Unit a Negative Newton?

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Discussion Overview

The discussion revolves around the concept of anti-gravity force and whether its unit should be considered a negative Newton, given that gravitational force is measured in positive Newtons. The scope includes theoretical considerations of force units and the implications of coordinate systems.

Discussion Character

  • Conceptual clarification, Debate/contested

Main Points Raised

  • One participant suggests that if gravitational force is measured in positive Newtons, then a hypothetical anti-gravitational force could be measured in negative Newtons.
  • Another participant argues that the sign of the force is dependent on the chosen coordinate system, questioning the validity of using negative units.
  • A later reply reiterates that the appropriate unit for anti-gravity force would still be the Newton, aligning with the previous argument.
  • There is a repeated affirmation that the unit remains the Newton, suggesting some level of agreement on this point.

Areas of Agreement / Disagreement

While there is some agreement that the unit for anti-gravity force would still be the Newton, the initial proposition of using a negative Newton remains contested, indicating unresolved disagreement on the interpretation of force units.

Contextual Notes

The discussion highlights the dependence on coordinate systems and the arbitrary nature of sign conventions in physics, which may affect the interpretation of force units.

Einstein's Cat
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If the unit of gravitational force is the Newton (where the value will be positive) would the unit for a hypothetical anti- gravitational force be a negative Newton?
 
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The sign of the force depends on your arbitrary coordinate system.
Is the depth of a well measured in "negative meters"? No, it is still meters.
 
So therefore the appropriate unit would still be the Newton?
 
Last edited by a moderator:
Einstein's Cat said:
So therefore the appropriate unit would still be the Newton?
Yes.
 

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