Masses are weights used in physics experiments to measure the mass or weight of objects. They come in a variety of sizes and shapes, ranging from small metal discs to large concrete blocks, and are typically made of materials such as brass, steel, or lead.
Masses are usually marked with their weight, either in metric or imperial units, and may be color-coded or have unique markings to make them easy to identify. They are often used in combination with other masses, such as those in a slotted masses set or knobed masses set, to achieve a specific weight or mass.
To use masses, they are added or removed from an object until the desired weight or mass is achieved. They may be suspended from a mass hanger or placed on a balance or scale to determine their weight.
Masses are a common laboratory apparatus in physics and engineering laboratories, as well as in educational settings where they are used to teach students about weight, mass, and measurement. They are also used in a variety of other fields, such as manufacturing, construction, and transportation, where precise weight or mass measurements are important.