Gravitational Tension forces on a moon and a planet?

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SUMMARY

The discussion focuses on calculating the tensional force inside Jupiter's moon Io due to gravitational forces exerted by Jupiter. The relevant parameters include Io's orbital radius of 421,000 km, a mass of 8.93 x 1022 kg, and Jupiter's mass of 1.9 x 1027 kg. The gravitational force is calculated using the formula Fg = GMm / r2, where G is the gravitational constant. Participants suggest using established physics resources for further clarification on the tension and gravitational force interactions.

PREREQUISITES
  • Understanding of gravitational force calculations using Newton's law of universal gravitation.
  • Familiarity with the concepts of tension in physical systems.
  • Knowledge of orbital mechanics and the significance of orbital radius.
  • Basic proficiency in physics equations and problem-solving techniques.
NEXT STEPS
  • Study the gravitational constant and its role in force calculations.
  • Learn about the relationship between tension and gravitational forces in celestial bodies.
  • Explore orbital mechanics, focusing on the dynamics of moons and planets.
  • Review physics resources on calculating forces in multi-body systems.
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Students in physics, astrophysics enthusiasts, and anyone interested in celestial mechanics and gravitational interactions between moons and planets.

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Homework Statement


Jupiter's moon Io is has an orbital radius of 421,000 km, around the planet Jupiter (MJ = 1.9 x 1027 kg). Io's radius is 1821 km and its mass is 8.93 x 1022 kg. Calculate the tensional force inside Io, as a result of Jupiter's gravitation.

Homework Equations


Fg= GMm / r2

The Attempt at a Solution


I tried using Fg1 - Fg2 to get the answer, I don't know if that's even remotely close to the right answer.
 
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