My mom makes me cry all the time?

Im only 19 but i have a pathetic life. Every morning to evening i have to work (at my dad's firm only due to parental pressure even though i got offers from elsewhere) the people at the firm arent very friendly because im the boss's daughter. the talk joke and all that but its not like i can get really close to them and have a best friend at work place. then when i get home i have to do my chores. this is my routine everyday. no friends no social life nothing. all my friends from school are in college right now so they r too busy and when im free they r not. during the weekends when both of us r free my mom doesnt lt me go anywhere. im doing this course where 3 yrs internship is needed thts why im not in any college right now. so its like all day i have no one to talk to.. im in a long distance relationship so i dont get to meet my boyfriend either. when i tell my mom that i want to join some dance school or something she is against it. all day she keeps shouting at me for the smallest things like her missing comb. she is very short tempered and even beats me up occasionally. if i try talking to her about it she asks me to shut up .. according to her talking to her abt this is disobedience. if i talk to my dad he tells me to adjust with my mom. he never corrects her or shouts at her but occasionally shouts at me listening to my mom. i have an older brother but he is abroad for the past 10 years. every morning my mom wakes me up by screamimg at me.. my day begins like that and i almost lways cry every morning the first thing i wake up. my boyfriend is the only one there for me to keep me from going insane .. i vent out to him and he is a support for me but how do i get my mom to stop?? i cant take this anymore.. according to my mom whatever she does is only correct and whatever she thinks is only correct.. she wont listen to anyone