In a revolving rotor, the centrifugal force remains balanced as long as the centre of the mass of the rotor lies  

Related MCQs

• Centre of masses of the system lies on the axis of rotation.
• Which of the following is true for centrifugal force causing unbalance?
• If a force has a line of action at a distance h from the centre of gravity, then the value of h is given by  
• For the given data of an Internal combustion engine : Mass of parts = 180 kg bore = 175 mm, length of stroke = 200 mm, engine speed = 500 r.p.m., length of connecting rod = 400 mm and crank angle = 60° from T.D.C, find the inertia force.
• Inertia force and the reversed effective force are the same.
• When a periodic disturbing force is applied to a machine, the force is transmitted to the foundation by the means of spring.
• A body remains in equilibrium if  
• The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a right turn. The effect of gyroscopic couple acting on it will be to raise the stern and lower the bow.
• The main mechanical components of a servo motor are stator and rotor.
• If a hybrid stepper motor has a rotor pitch of 36º and a step angle of 9º, the number of its phases must be