The unstoppable force would either 1: deflect off the immovable object 2: blow up and keep moving in other directions 3: move around it (you never said it had to go in a strait line) 4: We will never have to worry about that because that wont happen ever
what it wouldnt do is create a black hole that would require specific things to happen which i dont have the time to explain and even if i did none of you (especially the ones who think that creates a black hole) would understand!!!
i like xaxier1's answer plus gravity is an unstoppable force even after someone would go to space it affects all things even if it was an immovable object
Guys, I already answered it. Don't over-think this. There are only two things relevant that happen: the force doesn't stop, to object doesn't move. How it doesn't stop or doesn't move doesn't matter - they just don't. Simple.
Really guys it's not that hard to figure out...I don't see why this thread is so long. The unstoppable force goes around the immovable object. Simple as that...