Force feedback is pretty good, its not as good as IRacing or a good mod in Rfactor with Real feel. you cant feel the bumps in the road or the torque through the wheel as much, though i have only driven road cars, most of which are power steering or atleast power assisted steering so in real life you wouldnt feel that anyway. In offroad the FFB is actually really great, the rallying was my biggest surprise its really great to be honest, you can feel everything and there is a sense of grip now, but its still very challenging and thus rewarding.
The physics infact are fantastic, i drove the Ferrari 512BB (i think) 1976 model in a licence test, and it was just so awesome to drive, really dificult to keep it balanced and on the road if you're driving it fast but really fun and rewarding, if you find it hard you can turn the aids on very gradually which can turn an undrivable car into something that still feels very real but can be driven more aggresively.
But at the same time the driving aids DO slow you down, if you're a good driver and you can handle the cars without them you will gain time, atleast in the well behaved cars they are noticeably faster without driving aids on.
To be honest im really impressed with the physics, i've really taken to it as some of the cars really are fantastic, i can't wait to buy that ferrari for my own garage and take it around the nurburgring.