Question

The spring has an initial length of 4 cm. An object hung on the spring and spring length
increase from 4 cm to 6 cm. Calculate the mass of the object.​

Answer 1

Explanation:

so if we draw F.B.D

when it comes to ewuilibrium

kx=mg

100/4×1/10×2=m

m=5kg

k= 1N/4cm =1N/4/100m=100N/4m=25Nm