Home/Basic Physics/Rotation/Torque and angular momentum8. RotationTorque and angular momentumIn 8. RotationFormulaCopy LaTeX∑τ⃗ext=dL⃗dt\sum\vec\tau_{\text{ext}} = \frac{d\vec L}{dt}∑τext=dtdLTagsDerivativephysicsphysics formulamomentumrotationDetailThe net external torque is the derivative of angular momentum with respect to time.Explore the ideaExplore the ideaFound an error? Contact us.Related formulasRelatedTorqueτ⃗=r⃗×F⃗\vec\tau=\vec r\times\vec Fτ=r×FOpen formulaOpen in sectionRelatedAngular momentum of a rigid bodyL=IωL=I\omegaL=IωOpen formulaOpen in sectionRelatedConservation of angular momentumL⃗i=L⃗f\vec L_i=\vec L_fLi=LfOpen formulaOpen in section