In the figure shown below, all the contact surfaces are perfectly smooth. 'M' and 'm' indicate mass. When the object of mass 'm' starts sliding down due to the force of gravity, then the centre of mass will _____

MCQs on centre of mass and its motion, two vectors vector product, inertia moment, perpendicular and parallel axes theorems, kinematics and dynamics of rotational motion about fixed axis, rolling motion, rigid body equilibrium, torque and angular momentum.