(6) The 50 lb force is applied at the tip of the bar as shown with angle measured from the horizontal and 0≤0≤180°. (a) For = 55° determine the moment of the force about point O using the scalar components method. (b) Determine the angle for which the moment of the force about point O is zero. (c) Determine the angle 0 which maximizes the moment about point O and then compute the corresponding magnitude of that maximum moment. Ans: (a) 699 lb-in CW (b) 125.8° (c) 35.8°, 740 lb-in 10" 30° 50 lb

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