What is FORCE?

What is FORCE? 

- simply, its just a push or pull. But do we understand the essence of it?  Every type of force in nature is just a push or pull; be it electromagnetic force, strong force, weak force or gravitational force. Every force in nature is made of these fundamental forces. 
So what are these forces made of?   - Except gravitational force, all other forces are the result of exchange of force particles named as bosons (Sarcastically, they are massless! ). The strong force mediated by gluons maintains the nucleus, the weak force mediated by W and Z bosons maintains nuclear disintegration. The electromagnetic (EM) force maintains the nuclear and interatomic interactions. Guess what?  This force is mediated by photons- the same constituent as that of light!  The last force- the gravitational force maintains the heavenly bodies by bending space and time itself! 
It is wonderful when you imagine that these forces are the actual ruler (dictator) of this universe. The strong and weak force rules the quantum world, gravitational force rules the physical world whereas the EM force rules both the worlds. They have certain rules that you need to follow whoever or whatever you are! 

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