If a spring has a constant of #4 (kg)/s^2#, how much work will it take to extend the spring by #87 cm #?
1 Answer
Feb 3, 2018
Here,work done is equals to the energy stored in the spring as elastic potential energy =
Given,
So,work done =
ALTERNATIVELY
Force required to stretch the spring is
So,work done here is
So,integrating from