Which among the following is a non-conservative force?

By BYJU'S Exam Prep

Updated on: September 25th, 2023

1. Frictional force

2. Spring force

3. Electrostatic force

4. Magnetic force

The force that arises in classical physics due to neglected degrees of freedom or from time-dependent potentials are called non-conservative force. In this, the work depends on the path taken.

Answer: Frictional force is a non-conservative force.

There is no potential energy associated with non-conservative forces because it depends on the path between the starting and ending points. Friction creates thermal energy that dissipates, removing energy from the system. The work-Energy theorem is applicable to both conservative and non-conservative forces. The theory states that the net work on a system equals the change in its kinetic energy.

More information on Non-Conservative Forces

The details on non-conservative forces are as follow:

  • They may be perceived as macroscopic effects of small-scale conservative forces.

  • The non-conservative approximation for macroscopic systems is far easier to deal with than millions of degrees of freedom.

  • They are also called dissipative forces because they dissipate mechanical energy into other forms.

  • It converts macroscopic motion into microscopic motion.

  • Frictional force, Viscosity, and air drag are examples of non-conservative forces.


Which among the following is a non-conservative force?

Out of the given options, Frictional force is a non-conservative force.

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