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The difference between mass and weight is the mass is a measure of the amount of matter in an object, while weight is a measure of the effect of gravity on that mass. In other words, gravity causes a mass to have weight.
Mass is defined as the amount of matter in an object while weight is defined as the force exerted by an object. SI unit of mass is kilograms while SI unit of weight is Newtons. Object weighing 1 kg mass will have 9.8 N weight.
The difference between mass and weight is that mass is the amount of matter in a material, while weight is a measure of how the force of gravity acts upon that mass. You can think of weight as a function of an object's mass and the force, or acceleration, it experiences due to gravity.
Mass and weight of a given object on Earth and Mars. Weight varies due to different amount of gravitational acceleration whereas mass stays the same. In common usage, the mass of an object is often referred to as its weight, though these are in fact different concepts and quantities.
In simpler terms, mass is a measure of how much matter (substance) something is made of, while weight is a measure of how hard gravity is pulling on something. Scientists measure mass in grams, while weight as gravitational force is measured in Newtons.
Mass is the amount of matter present in a body while weight is a measure of how strongly gravity pulls on that matter. Mass is an intrinsic property of the body and remains the same wherever the body might be.
In everyday life, we often use the words “mass” and “weight” as if they’re the same. But in science, it’s important to be precise. Mass and weight are both measurements that describe heaviness, but they actually mean very different things.