Scales

Vaga instrument for measuring body mass (weight). Spring scales directly measure the weight of a body by comparing the length of the spring to which the measured body is attached. Arm scales compare the mass of a body with the mass of the weight as a unit, using a lever and the law of moment of force, which states that it produces the force arm and the forces on both sides of the support. the levers must be equal to achieve balance. They can be: Isosceles. These scales have a lever support in the middle. With them, according to the angle of deflection or balance of two weights, the required weight of the body is compared with the known weight of the weight. For scientific purposes, mainly different types of straight-arm balances with high sensitivity are used. (scales for physical measurements, analytical scales, etc.) A table (kitchen) scale is usually a straight-armed plow. These scales are for everyday use where high measurement accuracy is not required.

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