If the wire diameter of a compressive helical spring is increased by 2%, the change in spring

If the wire diameter of a compressive helical spring is increased by 2%, the change in spring

Q. If the wire diameter of a compressive helical spring is increased by 2%, the change in spring stiffness (in %) is (correct to two decimal places).

Ans: 8.243

Sol:

Stiffness of helical spring,

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