Question

what is the SI unit of mass?how is it defined?

Answer 1

The kilogram (abbreviation, kg) is the SI unit of mass. It is defined as the mass of a particular international prototype made of platinum-iridiumand kept at the International Bureau of Weights and Measures. It was originally defined as the mass of one liter (10 -3 cubic meter) of pure water.

Answer 2

HERE IS YOURS ANSWER;

◆ The SI unit of mass is Kilograms (Kg)

◆ Mass is equal to Density Per Unit Volume.

OR

$mass = density \times volume$

HERE;

● Mass in Kg.

● Volume in meter cube (M^3)

● Density in Kg ÷ M^3.

HOPE IT HELPS