Subjects/Basic Physics/Work, energy and power/Work of a variable force6. Work, energy and powerWork of a variable forceIn 6. Work, energy and powerFormulaCopy LaTeXW=∫r1r2F⋅drIn one dimensionCopy LaTeXW=∫x1x2Fx(x)dxRelated formulasRelatedWork of a constant forceW=F⋅d=FdcosθOpen formulaOpen in sectionRelatedKinetic energyK=21mv2Open formulaOpen in sectionRelatedForce from potential energyFx=−dxdUOpen formulaOpen in section