How to Find The Force Constant Of A Helical Spring By Plotting A Graph - Testbook.com

Last Updated on Jul 31, 2023
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In this physics experiment suitable for class 11, we will delve into the method of determining the spring constant of a helical spring. This is achieved by graphically analyzing the relationship between the load applied and the resulting extension of the spring. The spring constant, also referred to as the force constant, represents the restoring force exerted per unit extension of the spring. It is a characteristic value that is indicative of the elastic properties inherent in the spring.

Table of Contents:

Aim

The aim of this experiment is to ascertain the force constant of a helical spring by plotting a graph that shows the relationship between load and extension.


Apparatus/ Materials Required
  • A firm support
  • Spring
  • A 50 g or 20 g hanger
  • Six 20 g or 50 g slotted weights
  • A fine point indicator
  • A vertical wooden scale
  • A hook

Explore More: Elastic Properties

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Frequently Asked Questions

A body is said to be a rigid body when it doesn’t undergo any change in its length, volume or shape on the application of force.

A balanced force that produces deformation in a body is known as the deforming force.

The restoring force exerted per unit area by the molecules of the deformed body is known as stress.

The unit of stress is newton per metre square (N m–2).

The yield point is a stage beyond the elastic limit, up to which there is no more extension but thinning of wire remains uniform.

If it is not removed, kinks opened by the load will show more extension.

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