One end of a uniform meter stick is placed against a vertical wall. The other end is held by a lightweight cord that makes an angle ? with the stick. The coefficient of static friction between the end of the meter stick and the wall is 0.400. A block of the same weight as the meter stick is suspended from the stick, as shown, at a distance ? from the wall. Assume that theta= 15.0o in this problem. What is the minimum value of ? for which the stick will remain in equilibrium?

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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.