See, now what happened that, as I am going in this direction, my fluid is getting I mean the entire fluid is trying to push it on this direction, this push acts over the entire part of this longitudinal length, the full length gets push down. Now, let us say we can call it separately, say that this plus, this plus, this plus this, all are added up obviously, when you add them all up, then you get a large number supposing this was pushing and this was pulling and it was this plus that, that could have been you know some number, minus some number could have been either positive or negative.