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Question: currently eightyfive percent of all neck injuries are caused by...

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Currently eighty-five percent of all neck injuries are caused by rear-end car collisions. To alleviate this problem, an automobile seat restraint has been developed that provides additional pressure contact with the cranium. During dynamic tests the distribution of load on the cranium has been plotted and shown to be parabolic. (Figure 1)

a.Determine the equivalent resultant force

b.Determine the location of the force, measured from point A.

12 lb/t 0.5 ft 12(1 +2x2) lb/ft 8 lb/ft

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