13.15 WORK DONE BY A FORCE

The work done as the point of application of a force images moves along a given path C can be expressed as a line integral. In fact, the work done, when the point of application moves from images is

 

images

 

Therefore, the total work done as P moves from A to B is

 

images

 

Now, suppose that force is conservative. Then, there exists a scalar ...

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