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The spring balance works on the principle of __________ .
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- Boyle’s Law
- Hooke’s Law
- Bernoulli’s principle
- Pascal’s Law
- Boyle’s Law
Correct Option: B
A spring scale or spring balance or Newton meter is a type of weighing scale. It consists of spring fixed at one end with a hook to attach an object at the other. 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.
