Home WORLD Mechanical Spring Scale Working Prinicple 3D Animation

Mechanical Spring Scale Working Prinicple 3D Animation

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A spring scale or spring balance or newton meter is a type of mechanical force gauge or weighing scale. It consists of a spring fixed at one end with a hook to attach an object at the other. It works by Hooke’s Law, that spring is extended from its rest position. Therefore, the scale markings on the spring balance are equally spaced.

source/image(PrtSc): Jared Owen

A spring balance can be calibrated for the accurate measurement of mass in the location in which they are used, but many spring balances are marked right on their face “Not Legal for Trade” or words of similar import due to the approximate nature of the theory used to mark the scale. Also, the spring in the scale can permanently stretch with repeated use.

A spring scale will only read correctly in a frame of reference where the acceleration in the spring axis is constant (such as on earth, where the acceleration is due to gravity). This can be shown by taking a spring scale into an elevator, where the weight measured will change as the elevator moves up and down changing velocities.

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If two or more spring balances are hung one below the other in series, each of the scales will read approximately the same, the full weight of the body hung on the lower scale. The scale on top would read slightly heavier due to also supporting the weight of the lower scale itself./wikipedia

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VIAJared Owen
SOURCEwikipedia
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