# Mass vs Weight

Mass and weight are two commonly used terms in the fields of physics and engineering. While they are often used interchangeably in everyday language, they have different meanings and units of measurement.

Mass is a measure of the amount of matter in an object. It is an intrinsic property of an object that remains constant regardless of its location in the universe. Mass is typically measured in kilograms (kg) or grams (g).

Weight, on the other hand, is a measure of the gravitational force acting on an object. It is a vector quantity that depends on both mass and the acceleration due to gravity. Weight is typically measured in newtons (N) or pounds (lbs).

The relationship between mass and weight is given by the formula W=mg, where W is weight, m is mass, and g is the acceleration due to gravity. In other words, weight is directly proportional to mass and the strength of the gravitational field.

It is important to note that mass and weight are not the same thing, even though they are often used interchangeably. For example, an astronaut on the moon has the same mass as on Earth, but their weight is significantly less due to the weaker gravitational field.

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