Consider the following statements for completely balancing a single rotating mass: 1. Another rotating mass placed diametrically opposite in the same plane balances the unbalanced mass. 2.Another rotating mass placed diametrically opposite in a parallel plane balances the unbalanced mass. 3.Two masses placed in different planes balance the unbalanced mass. Which of the above statement is/are correct?
Which of the following conditions should be satisfied for static balancing ? 1. Dynamic forces acting on the system should be zero 2. Couple acting on the system due to dynamic force should be zero 3. Centrifugal forces acting on the system should be zero 4. Couple acting on the system due to centrifugal forces should be zero