Conservative Forces

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Forces are said to be conservative in nature if work done against the forces gets conversed in the body in form of potential energy. Example:- gravitational forces, elastic forces & all the central forces

PROPERTIES OF CONSERVATIVE FORCES

  1. Work done against these forces is conserved & gets stored in the body in the form of P.E.
  2. Work done against these forces is never dissipated by being converted into non usable forms of energy like heat, light, sound etc.
  3. Work done against conservative forces is a state function & not path function i.e. Work done against it, depends only upon initial & final states of body & is independent of the path through which process has been carried out.
  4. Work done against conservative forces is zero in a complete cycle.

Non-Conservation forces

Non-conservative forces are the forces, work is done against which does not get conserved in the body in the form of potential energy.

PROPERTIES OF NON-CONSERVATIVE FORCES

  1. Work done against these forces does not get conserved in the body in the form of P.E.
  2. Work done against these forces is always dissipated by being converted into non-usable forms of energy like heat, light, sound etc.
  3. Work done against non-conservative force is a path function and not a state function.
  4. Work done against non-conservative force in a complete cycle is not zero.

 

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