Which unit is commonly used for measuring pressure?

A. m3

B. bar

C. N/m3

D. Celsius

Pressure is a measure of unit force per unit area. Among these units, bar is the unit pf pressure which is also equivalent to N/m2. m3 is a unit of volume; N/m3 is pressure per unit length; Celsius on the other hand is a unit of temperature. The answer to this problem is B.