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1. A 3.0 meters long solid shaft makes an angle of 35 degrees with the horizontal. A vertical force of 50 N is applied 0.60 m from the upper end. What is the magnitude of the torque due to the vertical force about each end? 2. A Ladder of 6.0 meters in length weighs 150 N rests on horizontal ground and leans at an angle of 65 degrees with the horizontal against a smooth vertical wall. How far up the ladder may a 700 N person go before the ladder slips? The coefficient of friction between ladder and ground is 0.40. 3. A Flat bar is loaded with boxes as shown in figure at right. Box M = 50 kg, what must be the magnitude of mass m so that the bar becomes level? Neglect the weight of the bar. What torque about each end of the bar?
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