A helical compression spring having 14 active coils is close coiled. It has a spring stiffness of 400lb/in. It is cut into two springs having 6 and 8 turns. Determine the spring stiffnesses of resulting springs.

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Required information A helical compression spring is wound using music wire of diameter, d, 2.16 mm. The spring has an outside diameter, OD, of 27 mm with plain ground ends and 14 coils. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. What is the force needed to compress this spring to closure assuming that the spring will reach its shear strength at its solid length? The force needed to compress this spring to closure is |N.