This video lecture from Circular Motion (F.Sc. first year physics) covers Conservation of Angular Momentum using Angular Velocity, Mass and Radius. It also explains how the Angular Momentum is conserved keeping one of the parameter (radius, mass or angular velocity) constant. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.