Question

Force constant of a spring $(k)$ is analogous to

• A. $\frac{YA}{L}$
• B. $\frac{YL}{A}$
• C. $\frac{AL}{Y}$
• D. $ALY$

Answer 1

Answer: (A)

${\rm Y}=\frac{FL}{A\Delta L}$ or $F=\left(\frac{YA}{L}\right)\Delta L$
Comparing this with $F=k\Delta x$, we get $k=\frac{YA}{L}$