A vibration control apparatus may include a fluid bearing (402) provided around a rotating body (102) to form a fluid bearing gap (504) between the fluid bearing (402) and the rotating body (102) and a pressure regulator (604) configured to variably control a pressure of the fluid bearing (402), based on imbalance information of the rotating body (102), to compensate for imbalance of the rotating body (102). A computed tomography scanner may include a gantry (102) configured to generate a computed tomography image while rotating around a test subject a fluid bearing (402) provided around the gantry (102) to form a fluid bearing gap (504) between the fluid bearing (402) and the gantry (102) and/or a pressure regulator (604) configured to variably control a pressure of the fluid bearing (402), based on imbalance information of the gantry (102), to compensate for imbalance of the gantry (102).
