Wage garnishment is a pretty effective way to collect civil judgements sans violence, I think.
Not sure what happens if you have a civil judgement entered against you and then quit having income. (Not reporting income is probably a real Crime, and they’d go after you for that)
>If the defendant is ordered to pay damages and refuses, then the government does step in eventually, doesn't it? A continued refusal to comply eventually leads to arrest.
1. debtor's prison isn't a thing anymore
2. look up "judgement-proof"
Ultimately, enforcing (almost) any law does come down to use of force if the guilty party is intransigent enough. Exceptions are when some thing can be "snatched" away and held truly inaccessible to the guilty party, such that they cannot possibly retrieve it.