Question

how would you demonstrate the principal on which spring balance works​

Answer 1

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Q.how would you demonstrate the principal on which spring balance works?

A spring balance is used to measure the weight of the body with in the elastic limits of its spring.   Spring balance works on the principle of Hook’s law

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Answer 2

Answer:

It works by Hooke's Law, which states that the force needed to extend a spring is proportional to the distance that spring is extended from its rest position. Therefore, the scale markings on the spring balance are equally spaced. A spring scale cannot measure mass, only weight.