Question: If vec{f} is the body force of an infinitesimally small element (volume dx dy dz and density ?) moving along with the flow (velocity vec{V}), Which term is the work done by the body force?
Options
A : vec{f}.vec{V}dx dy dz
B : hovec{f}.vec{V}
C : hovec{f}.vec{V}dx dy dz
D : hovec{f}dx dy dz
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