Is My Family Abusing Me?

Hi, I'm a teenaged girl. My parents have always provided a home, food, clothes, and medical care.
My mom constantly puts me down about my weight or says that I'm a spoiled brat, and that Im an "asshole" or something along those terms. My dad beats my dog in front of me and grabs my butt every time I walk by even though I've told him not to a lot. They have driven me to anorexia, depression, self-harm, OCD, ADD, and suicide attempts. They make fun of my mental disorders and constantly call my autistic cousin "retarded". My Uncle is controlling and a narcissistic sociopath. He runs a drug farm where he grows weed and sells it. He shot both his dogs for no reason and is very controlling in his relationships. He told me as a child that my dad was "a little bitch" and makes comments on what terrible people my parents are. He makes sexual comments about other women's bodies in front of me and my family. He calls me homophobic and sexist slurs as does my grandmother. They all make fun of my eating disorder and insult me constantly. I'm so fed up about it. Are they abusing me or am I just being weak?
I hate myself so much

Is your family abusing you? YES!!!!!!!

You should take a look at Information thread: Defining abuse and I'm sure you'll be able to identify several in your situation.

Edit: Just because they provide you with "a home, food, clothes, and medical care", it doesn't mean they can't be abusive towards you; they can still physically, sexually, verbally and emotionally abuse you and other people, as you have described.

It seems quite bizarre that you would even need to ask this question.

Edit: well, not too bizarre. Filling you with doubt is part of the abuse.

Do not ever think of yourself as weak.