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Weighing device that uses the relation between the applied load and the deformation of a spring. This relationship is usually linear; that is, if the load is doubled, the deformation is doubled. Spring balances are widely used commercially. Those with high load capacities are frequently suspended from crane hooks and are known as crane scales.
This entry comes from Encyclopædia Britannica Concise. For the full entry on spring balance, visit Britannica.com.
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