Problem 12.8 A 120 g ball and a 200 g ball are connected by a 37-cm-long, massless, rigid rod. The balls rotate about their center of mass at 140 rpm . Part A What is the speed of the 120 g ball? Express your answer to two significant figures and include the appropriate units. HÀ m v = 4,5741589 S

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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.