A horizontal bar with a mass m suspended from one end is held by a cord with tension T, fastened at a distance D from the end of the bar that is

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A horizontal bar with a mass m suspendedfrom one end is held by a cord with tensionT, fastened at a distance D from the endof the bar that is attached to a wall with africtionless pin.What is the torque about the pin exertedon the bar by the cord?

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