Ruggling while driving !!!Need urgent help !!

Hi people, I bought a Chrysler PT yesterday for the first time, today I had to find out that my steering wheel is e.g. the whole car being in turns or when giving gas is jerking like the S..! What is that the mature ones are not or is it because of something else like a track rod or something like that? Please for urgent help !!! Must drive a long distance tomorrow. LG Steffen