A four-bar linkage is shown in the figure (the ground "link" OC is considered the fourth bar). If the angular velocity and angular acceleration of drive link OA are 6.1 rad/s and 6.6 rad/s² respectively, both counterclockwise, determine the angular accelerations of bars AB and BC for the instant represented. The angular accelerations are positive if counterclockwise, negative if clockwise. 14 285 mm A 95 mm 245 mm woy /69° CO Answers: CAB = i 2.356 rad/s² αBC= i 11.327 rad/s²

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