Two balls with masses M and m are connected by a rigidrod of length L and negligible mass as shown in FigureP10.28. For an axis perpendicular to the rod, (a) show thatthe system has the minimum moment of inertia when theaxis passes through the center of mass. (b) Show that this R moment of inertia is I = uL2, where u=mM/(m 1 M).

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.