808 Hook's Law Apparatus
This apparatus shows that the extension of a coiled spring is proportional to the weight of masses loaded on its hanger. This apparatus has a 12 cm adjustable scale and is marked in millimeters and mounted on a sturdy 30 cm support rod and base. A hook supporting a coiled spring with a mass hanger and indicator is attached to the rod.
We have 70 skillful operators, 5 machine mechanics and 31 quality inspectors, total annual output capacity in design can reach 130 millions sets.
Earth & Space Science
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