Question

What is the unit of power absorbed in a fluid?

(a) Ampere

(b) Volt/m

(c) kgm^2s^-3

(d) kg/m

The question was posed to me in an international level competition.

This interesting question is from Power Absorbed in Viscous Flow in portion Viscous Flow & Turbulent Flow of Fluid Mechanics

Answer 1

The correct answer is (c) kgm^2s^-3

The explanation is: Unit of power is a Watt. This is in accordance with the SI unit. The International system of units define it as 1 joule per second. Therefore, the SI base unit is kgm^2s^-3. It was named after James Watt.