Matter and Mass The Difference Between Mass and Weight Weight Measure of the gravitational force exerted on an object. The more mass an object has, the greater the gravitational force on the object and the greater the object’s weight. Mass The amount of matter in an object
Inertia Tendency of an object to resist a change in motion. Mass: The Measure of Inertia An object that has a large mass is harder to move and harder to stop than an object that has less mass. The reason is that the object with the large mass has greater inertia. Which has more inertia?