Question

why do you think it is necessary to define a seprate quantity called pressure? why is defining only force not enough?​

Answer 1

Answer:

Yes,it is necessary to define the Pressure.Because Pressure and Force both are the different quantities.

Force is only the external effort in the form of push or pull,which produces or tries to produce motion in a body at rest,or stops or tries to stop moving body.

But Pressure is the force acting on a particular area.So,if area is small,we need large pressure for the same force.

Answer 2

Answer:

Yes,it is necessary to define the Pressure. Because Pressure and Force both are the different quantities. Force is only the external effort in the form of push or pull,which 1. ... But Pressure is the force acting on a particular area.So,if area is small,we need large pressure for the same force