Question

Which of the following is the correct SI unit to use in measuring the mass of a boulder?

Answer 1

it would be weight from mass in kilograms or grams  so yea

Answer 2

Answer:

kilogram (kg)

Explanation:

Mass is the opposing effect that a body posses which inhibits the motion of the body when a force is applied.

SI unit is the standard of unit which stands for Système international (d'unités) in French and International System of Units in English. The International System of Units comprises of the following base units kilogram, Ampere, Kelvin, mole and candela.

So, the mass of the boulder would be measured in kilogram (kg).