Two blocks each of mass 1.9 kg are suspended from the ends of a rigid weightless rod of length l1 = 183.0 cm and l2 = 7.8 cm. The rod is held in the horizontal position shown and then released. Calculate the initial acceleration of the mass attached to l1. Assume up is positive and down is negative.

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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.