Johnny,
I wouldn't say that it would stop it, but it should reduce the possibility. Depends on a lot of things, balance of the boat, where the prop is in that relation, and so on. Pushing the back end of a boat down tends to push the front end up, sort of... It's not a complete 'cure'.
- 'Doc

(Push the back end of one of my boats down and the @#$ thing'll sink!)