Narcissistic delusion. That is the best explanation. Because your sentence structure is at least average IQ but you are committed to this insane delusion, rather than humbling yourself and realizing you know nothing of physics or basic mechanical engineering.

Those silly little force diagrams are what engineers use to build the bridges you drive on. They work. They tell us if something will accelerate or remain in equilibrium. A simple force diagram would show you this device is absurd.