What distinguishes mass from weight? O Mass is a measure the amount of matter in an object, well weight is an measure of the force of gravity on an object. O weight is a measure of the amount of matter in an object, while mass is a measure of the force of gravity on an object. O then what I know mass is a measure of an object internal force, and weight is the force exerted by an object on other objects. O mass and weight are synonyms and unlimitedly describe the same principle.