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PROBLEM 2: The figure below shows a four bar linkage and its dimensions in meters. The steel crank, coupler, and rocker have uniform cross sections of 50mm wide and 25mm thick. In the instantaneous position shown, the crank O2A has an angular velocity of 15 rad/s and an angular acceleration of -10rad/s2. The vertical force at point P, F-500 N.Find all the pin forces and the torque required to drive the crank O2A at that instant. (feel free to use any method to solve the matrix) (13 points) AP = 1.09 L3 0.356 1-2 = 0.785 し4 = 0.950 96° Li = 0.544 O2

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