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Required information The brake pedal ABCD for an automobile has a torsional spring at pin C. The spring has 4000 N.mm/rad stiffness and is prewound by 1/2 of a turn so that contact is made at point E when P = Q= O. The pedal has negligible weight. Take the value of Pto be 105 N. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. -200- 80 10 160 E dimensions in mm Determine the value of Q that will cause the pedal to begin to move and the reactions at C. (Round the final answers to four decimal places.) (Do not include a minus sign in your response.) The value of Q that will cause the pedal to begin to move is N Y . The horizontal component of the reaction force at C is N+. The vertical component of the reaction force at C is NT