Linked from
The 20 pages that link to Line integral, each with the reason it gives.
Vector fieldRelated: It measures work or circulation along a chosen path through the field.
Arc lengthRelated: Arc length is a line integral of the constant function one.
Conservative forceRelated: Force work is computed by integrating the force along a path.
CurlRelated: Circulation is computed as a line integral around a small loop.
Stokes' theoremBroader topic: The theorem's boundary term is a line integral of the field.
Integral calculusBroader topic: It extends accumulation from intervals to paths through space.