Definition:Mass

Definition
The mass of a body is a measure of how much matter it contains.

Mass is equivalent to inertia.

Mass also determines the degree to which a body creates or is affected by a gravitational field.

It is a scalar quantity.

Units

 * The SI unit of mass is the kilogram $\mathrm {kg}$.


 * The CGS unit of mass is the gram $\mathrm g$.