Key terms and concepts for sections 14.1-14.2

Line integrals (linjeintegraler) with mass (masse), first moments (dreiemoment), and moments of inertia (treghetsmoment) as examples.
Vector fields (vektorfelt), and line integrals of vector fields. The work (arbeid) of a force.
Flux integrals (fluksintegraler) in two dimensions.