Question

Pressure is the _________

(a) force per unit area

(b) mass per unit area

(c) force per unit volume

(d) mass per unit volume

The question was asked at a job interview.

This intriguing question originated from Pressure Sensor in chapter Transducers of Electrical Measurements

Answer 1

Right choice is (a) force per unit area

To explain I would say: Pressure at a point is defined as the force acting per unit area. It is measured at some given point over a surface.