Question

why do you think it is necessary to have a separate concept called ' pressure' despite concept of force ??

Answer 1

It's necessary to have separate concept called pressure because the force and pressure seem same but are different . Force is the push and pull of object whereas pressure refer to forse applied per unit area. Thus both are totally different concept and needs to be understand separately otherwise it would create a lot of confusion related to this.

Answer 2

pressure is not totally force but it is a force that is acting on a certain area. Force dont have