Question

A spring which obeys Hooke's law has an unstretched length of 20 cm. A load of 20N is hung from the spring. The new length of the spring is 36cm. What is the spring constant k of the spring.Using the formula f=kx​

Answer 1

Answer:

20=10×36×x

x=20/10×36

x=20/360

x=1/18