A rod of length 1.21 m and mass 4.3 kg can freely rotate around uppermost point (see Fig). A bullet of mass 13.6 g traveling with initial speed 42.9 m/s hits this rod at 23.6 cm from the bottom and sticks. Find the height to which the lowest end of the rod will rise. Give result in meters. L. Vo

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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.