The quantity "pressure" expressed in terms of the fundamental quantities (mass, length, time) is equivalent to: A) MLT ^- ¹. B) ML ^- ¹T ^- ². C) M²L ^- ¹T ^- ³. D) a dimensionless quantity.

Question

Quizplus · Accepted Answer

Pressure is defined as force per unit area. Force has dimensions of mass (M) times acceleration (LT^-2), so pressure has dimensions of ML^-1T^-2.

The Quantity "Pressure" Expressed in Terms of the Fundamental Quantities