A music wire helical compression spring is needed to support a $15$ lbf load after being compressed $1\mathrm{.}5$

inches. The solid height cannot exceed $1$ inch and the free length cannot be more than $4$ inches. The

fractional overrun is $\mathrm{.}2.$ The factor of safety is to be $1\mathrm{.}4.$ The ends are squared and ground and it is as

wound. Analyze a using a gauged $29$ wire. What is alpha pertaining to the Curvature?

$94058$

$76543$

$85408$

$104523$