Catskill Mountains,<span>Allegheny Mountains are in the appalachians or part of them</span>
Is this a phone number calling you that you're trying to identify?
With everything else as constant (the planet's gravity, itself), then yes, this is true. But, if the planet's gravity still exists, then the Sun's gravitational force doesn't matter as much because of the astronomical distance between the two bodies.
I think it is the first one