The plate of weight W is subjected to force F which is always directed perpendicular to the face of the plate. If the plate is originally at rest, determine its angular velocity after it has rotated one revolution (360°). The plate is supported by ball-and-socket joints at A and B.

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Given: W = 15 lb F = 8 lb a = 0.4 ft b = 1.2 ft 8 = 32.2 ft 2 S