This little question, ‘What would happen if an unstoppable force hit an immovable object’ made the rounds a while ago. I dismissed it answering that the existence of either is improbable and the existence of both is illogical and impossible.
Lets see what might happen though:
Immovable object would be shy, unstoppable force would persevere; they would warm to each other over dinner, and perhaps have kids.
Or, when they meet one scientist would give another scientist $5 and say ‘ok Earl, you were right’.
What might happen if they truly existed?
Unstoppable force: A force with infinite kinetic energy? I am assuming this force is kinetic. Does this mean it has infinite mass or speed? or both? Probably both…
Immovable object: This definitely gives the idea of kinetic energy and mass. This would have to have infinite mass. Of course, it may collapse and become a black hole. Or indeed it may be an infinite black hole. And interesting point is, what is immovable, it surely won’t be anchored to something else move immovable than it, so it itself has to be infinite mass.
Right, so we have an infinite force meeting an infinite mass. Lets clean the numbers: We have a force of 1 meeting a mass of 1.
Therefore if an immovable object was hit with an unstoppable force, they would simple swap roles, the immovable object would become and unstoppable force, and the unstoppable force would become an immovable object?
Well that is that.
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In that case, they have both broke their fundamental laws. The immovable object has started moving, and the unstoppable force has stopped dead.