Is it weird to be terrified of Ferris wheels?

Okay I'm 14 and have been scared of ferris wheels for as long as I can remember whenever I get on them I just start to freak out. I have freaked out enough so that the running the ride have let me off because, I get so scared. Its not like I'm afraid of heights I'll go on any other ride besides ferris wheels is that strange. Please help Thanks :)