Gravitational Tension forces on a moon and a planet?

AI Thread Summary
To calculate the tensional force inside Jupiter's moon Io due to Jupiter's gravity, the gravitational force equation Fg = GMm / r² is essential. The discussion highlights the need to consider both the tension and gravitational forces acting on Io. Participants suggest using specific resources for better understanding and calculations related to forces at the surface of celestial bodies. The approach involves analyzing the net forces to determine the tension accurately. Proper application of these concepts will yield the correct tensional force inside Io.
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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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