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Physics180

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Tidal forces can break apart objects that orbit too close to a planet, producing rings like those of Saturn. Consider an asteroid 600km in radius, 65mm from Saturn's center.

What's the difference in gravitational acceleration between the two sides of the asteroid?

  • Physics180 -

    f=GMsat*Mast [( 1/65mm)^2-1/65.6mm)^2]


    There is another way, using differentials.

  • Physics180 -

    we don't know the mass of the astroid, how do we use the equation you have provided?

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