Assignment 3 Balancing 1. What do you mean by balancing of rotating masses? What is the need of balancing? 2. Explain Graphical and Analytical Method of Balancing of Several Masses rotating in same plane. 3. Explain Graphical and Analytical Method of Balancing of Several Masses rotating in different planes. 4. Static and Dynamic Balancing of Rigid Rotors by Macdara MacCamhaoil BriielKjr Introduction Unbalance is the most common centrifugal forces. This is usually done tion (see Fig. 1). An equal mass, placed source of vibration in machines with by adding compensating masses to the at an angle of 180 to the unbalanced rotating parts.