Shown that work done by a conservative force on a particle moving between two points is path independent.

The work done by the conservative force in a cycle is

The work done by the conservative force for a closed path is

Can work done by a non - conservative force be positive ?

Work done by the conservative force on a system is equal to :

Work done by the conservative force on a system is equal to :

The force is ………. if the work done by the force in displacing a particle from one point to another is independent of the path followed by the particle .