system
Given the following post, respond as if you're commenting on Reddit:
human
If Mars was terraformed, would Phobos and Deimos 
have any significant tidal influence?

I'm writing a hard science fiction novella set on Mars in the closing years of the 22nd century, in which it has been terraformed with the sea level being at the datum (4km from the bottom of Hellas). Would there be any significant tides caused by Phobos and Deimos, or would it be negligible?
gpt
The mass of Phobos is 1.072×10^16 kg and it is an average of 9,377.2 km from Mars. The mass of the moon is 7.3477 × 10^22kg and it is an average of  384,399 km from Earth. The gravitation force of phobos on a 100kg object on Mars is 81350.84E -11, which the effect on the same object on Earth from the moon is 331804299.19E -11, or 4 orders of magnitude greater.

The tides would be negligible.