Thanks for the reply, and I think things are more clear now. The formula for Force though is F=ma. But since you said neither I or the wall accelerate, then how does it come, or better put, how would you ever calculate that kind of force.
I'm a bit of a physics noob, but I am always curious about everything in the world.
I concluded from Newton's third law that when you exert a force on a wall it exerts a force back on you. But I want to know from where does that force actually come?
I mean ok you as a person might have a...