Home/Basic Physics/Rotation/Moment of inertia — particles8. RotationMoment of inertia — particlesIn 8. RotationFormulaCopy LaTeXI=∑imiri2I=\sum_i m_ir_i^2I=i∑miri2Tagsphysicsphysics formulamomentumrotationDetailSum of the products of each point mass and the square of its distance to the axis.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedMoment of inertia — continuous bodyI=∫r2 dmI=\int r^2\,dmI=∫r2dmOpen formulaOpen in sectionRelatedSecond law of rotation∑τ=Iα\sum\tau=I\alpha∑τ=IαOpen formulaOpen in section