Physics Practicals Class 11

Helical Spring – Method of Oscillation

  • Teach science experiments in a gamified way
  • Boost conceptual clarity and knowledge retention
  • Aligned with National Education Policy 2020
  • Helpful in getting NAAC accreditation
  • CBSE, ICSE, and state boards aligned curricula
  • Engaging simulations with easy-to-teach instructions

About Simulation

  • Through the simulation, you will gain a comprehensive understanding of how to determine the spring constant and effective mass of the helical spring.
  • You can acquire the skills needed to calculate the time for oscillations of the spring and create graphs to determine the effective mass in the spring-mass system.
  • At the conclusion of the simulation, you will have learned about the concept of spring constant, Hooke’s law, and the functionality of helical springs.
  • Additionally, you will understand the factors affecting the time period of oscillation in spring systems.

Physics Practical Class

  • Moreover, you will grasp the significance of effective mass in the context of spring-mass systems, completing your learning journey through the simulation.

Simulation Details

Duration – 30 Minutes
Easily Accessible
Languages – Odia & English
Platforms – Android & Windows


A helical spring is a coiled mechanical device that stores and releases energy to absorb impacts or shock and to resist either compression or pulling forces between objects.

Physics Practical Class

Spring constant is the restoring force per unit extension in the spring. Its value is determined by the elastic properties of the spring.

Physics Practical Class

A given object is attached to the free end of a spring which is suspended from a rigid point support. If the object is pulled down and then released, it executes simple harmonic oscillations.

The effective mass of the spring in a spring-mass system when using an ideal spring of uniform linear density is 1/3 of the mass of the spring and is independent of the direction of the spring-mass system.

The time period (T) of oscillations of a helical spring of spring constant K is given by,

Physics Practical Class

If spring has a large mass of its own,

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Physics Practical Class

Hence, the spring constant,

Physics Practical Class

The nature of graph of T2 against m is a straight line.

Requirements for this Science Experiment

  • Meter scale
  • Slotted weights
  • Clamp stand
  • Weight hanger
  • Helical spring
  • stopwatch

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