Question

Define and write the expressions for shaft work, spring work, surface tension work ​

Answer 1

Answer:

In thermodynamics, work performed by a system is energy transferred by the system to its surroundings, by a mechanism through which the system can spontaneously exert macroscopic forces on its surroundings, where those forces, and their external effects, can be measured. In the surroundings, through suitable passive linkages, the whole of the work done by such forces can lift a weight. Also, just through such mechanisms, energy can transfer from the surroundings to the system; in a sign convention used in physics (though chemistry uses the opposite sign convention), such energy transfer is counted as a negative amount of work done by the system on its surroundings.