Cómo medir la cantidad de materia: gramos y kilogramos en la fisica

The video tutorial explains the concept of mass, measured in grams or kilograms, and distinguishes it from weight, which is the force exerted by gravity on a mass and is measured in newtons. It emphasizes the importance of not confusing mass with weight, highlighting that weight is a force resulting from gravitational pull.

Explain the difference between mass and weight based on the text.

What does gravity do to a mass according to the text?