Elastic Potential Energy is the energy stored for strecthing or compressing an elastic object with an external force. Consider a helical spring and to stretch or compress it you need to do some work to provide it with some energy. This energy is stored in the spring and when released it comes to equilibrium state. Elastic Potential Energy is always positive.
Elastic Potential Energy is given by the formula U = ½kΔx2
Where K is the Spring Constant. It is a propotionality constant that denotes the relation between strain in the spring and force that caused it.
Δx is the spring deformation and is expressed in units meters.
U is the Elastic Potential Energy in Joules
Follow the simple procedure listed below to know the procedure on how to find the elastic potential energy of a spring. They are as such
A compressed spring has the potential energy of 10 J and its spring constant is 150 N/m. Calculate the deformation of the spring?
Potential Energy U = 10 J
Spring Constant k = 150 N/M
Deformation of Spring = ?
We know formula to find elastic potential energy U = ½kΔx2
Substituting the inputs we have the equation as follows
10 J = ½*150 N/m Δx2
On further simplifying we have Δx = 0.3651484 m
Onlinecalculator.guru has got plenty of calculators designed to help you on the concepts such as acceleration, gravity, friction, momentum, displacement, force, etc. all in one place.
1. What is K in Elastic Potential Energy?
K is the Spring Constant in Elastic Potential Energy./p>
2. What is the Formula for Elastic Potential Energy?
Elastic Potential Energy can be found using the formula U = ½kΔx2
3. Is Potential Energy always positive?
Since the motion involves net increase in potential energy. Thus, change in potential energy is always positive.
4. What are Examples of Elastic Potential Energy?
Objects such as archer's stretched bow, bent diving board, twisted rubber band, etc. store elastic potential energy.