the amount of matter in any solid object or volume of liquid or gas
The physicist explained the concept of mass as the measure of an object's resistance to acceleration.
The space mission aimed to study the composition and mass of distant planets.
The chef carefully measured the ingredients by mass to ensure precise proportions in the recipe.
Newton's second law relates an object's force to its acceleration and mass.
The spacecraft's velocity and trajectory depended on the distribution of mass within it.
