(Answered) When cars c and d stop on a two-lane bridge the forces

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When cars C and D stop on a two-lane bridge, the forces exerted by their tires on the bridge are as shown. When both cars are on the bridge, determine

(a) The value of a for which the total reaction at A is maximum,

(b) The corresponding total reactions at A and B.

2063_corresponding total reactions.jpg

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