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The relationship between weight, mass, and gravity is best described by the equation where weight is equal to mass multiplied by the gravitational force acting on it. In this context, weight refers to the force exerted by gravity on an object, mass is the quantity of matter contained in the object, and gravity is the acceleration due to the gravitational force, commonly approximated as 9.81 m/s² on Earth's surface.

When we apply the equation, it shows that the weight of an object increases as its mass increases, assuming the gravitational force remains constant. For instance, if you have an object with a mass of 10 kilograms, its weight on Earth would be calculated as 10 kg multiplied by 9.81 m/s², resulting in a weight of approximately 98.1 newtons. This direct relationship illustrates how weight scales with mass under the influence of gravity.

Understanding this relationship is essential in various fields, including physics, engineering, and everyday applications such as weighing objects or understanding how forces act on an object in different environments.