So, initially, when you put the rudder, I immediately have this force, but no, not this
force; what happened, the ship as actually turned inside. So, it initially, as soon as you
put rudder ship turn this side, then it begins to turn this side and that is why if this all.
And also, we can see form the magnitude, the typical turn will look something like this,
this is what another diagram I had shown it to you that, as it turns, you know if this is the
turn angle phi angle here. Let us say finally, it will turn here, first say no angle turn is
there, this is say, you know, plus minus whatever