DAD ISSUES: Does this qualify as abuse?

Yes, he is abusive. Abuse can be physical or psychological. In your case the last one. You two are not having a healthy environment, I suggest you to look for professional advice, go with a counselor or a social worker, you can ask in your school and go by yourself at frist , later on your mother can go too. Do something things are going bad at home, and you and your mother deserve a better life.