Gravity is negative for example (-0.1)

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SUMMARY

The discussion clarifies the concept of negative gravity, specifically addressing gravitational force and gravitational potential energy. It establishes that while the magnitude of gravitational force cannot be negative, gravitational potential energy can be negative when the origin of the coordinate system is defined at infinity. The conversation emphasizes the importance of coordinate systems and sign conventions in understanding gravity's behavior.

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  • Understanding of gravitational force and potential energy
  • Familiarity with coordinate systems in physics
  • Knowledge of sign conventions in mathematical physics
  • Basic principles of classical mechanics
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  • Research the concept of gravitational potential energy in different coordinate systems
  • Study the implications of sign conventions in physics
  • Explore advanced topics in classical mechanics related to forces
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Students of physics, educators teaching classical mechanics, and anyone interested in the theoretical aspects of gravity and its mathematical representations.

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is there a situation where the gravity is negative for example(-0.1)
and is it possible
i think it is impassible but i have a Friend who believe it is possible
so is it possible ? :smile:
 
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What do you mean by "gravity" being negative? If you mean the force of gravity, yes it can be negative if it is pulling in whatever you define as the negative direction.

If you mean gravitational potential energy, then yes, that too can also be negative if you place the origin of your coordinate system out at infinity.

If you mean just the magnitude of the gravitational force, then no, this can't be negative by definition.
 
What do you mean by gravity being negative? In a sense, the force is negative almost everywhere, but that's because our traditional choice of coordinate system and sign convention makes it such.
 
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