Question

If a spring is stretched a distance of 0.24 m with a force of 18 N, what is the value of the spring constant k?

Answer 1

The Hooke's law says

$$F=kx$$

Hence, the spring constant

$$k=\frac{F}{x}=\frac{18\:\rm N}{0.24\;\rm m}=75\:\rm N/m$$