Mechanics

Difference between conservative and conservative force with examples

Conservative forces are those forces for which work is done depends only on the initial and final points, while Non-Conservative forces are those forces for which the work is done or the kinetic energy did depend on the other factors such as velocity or the particular path taken by the body. Common examples of conservative force are, Gravitational forces, Magnetic force, Electrostatic force, Elastic spring force, Electric force, while a frictional force, air resistance force, the force of gravity are nonconservative force examples.

What are conservative forces?

Conservative forces are the forces with the property that the total work is done in moving a particle between two points is independent of the taken path. Equivalently, if a particle travels in a closed-loop, the total work is done is the sum of the forces acting along the path multiplied by the displacement by a conservative force is zero.
examples of conservative and non conservative forces

Conservative force examples

  • Gravitational forces
  • Magnetic force
  • Electrostatic force
  • Elastic spring force
  • Electric force

what are non conservative forces?

The force is called non-conservative if work is done by the force is dependent on the path followed by the body. oR The forces which are not conservative are called non-conservative forces. The work done by the non-conservative force depends on the path followed by the object.

 non conservative force examples

  • Frictional forces
  • Viscous forces
  • Induction forces
  • Air resistance force
  • Tension in a string
  • Normal force
  • Propulsion force of the rocket
  • Propulsion force of the boat

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Comparison table of conservative vs non conservative forces

 Conservative forces Non conservative forces
The force is called conservative if work done by the force is the dependent only the initial and final position of the body does not depend on path followed by the body.The force is called non-conservative force if work is done by the force is dependent on the path followed by the body.
    The work done by the conservative force in the closed path is zero.       The work done by the non-conservative force in a closed path is not zero.

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