What is the formula for calculating elastic potential energy?
The spring constant is the measure of stiffness of a spring. Hooke’s law gives us the force we need to find elastic potential energy. Looking at a graph of force versus displacement, we can find that the formula for elastic potential energy is PE = 1/2(kx^2).
What is elastic potential energy GCSE?
A force acting on an object may cause the shape of an object to change. Elastic objects can store elastic potential energy if they are stretched or squashed. For example, this happens when a catapult is used or a spring is stretched.
What does the K in the spring elastic energy formula stand for?
Because the force is = spring constant x displacement, then the Elastic potential energy = spring constant x displacement squared. F = 1/2 ks. k = spring constant, Newtons/m.
What is K in Hooke’s Law?
The rate or spring constant, k, relates the force to the extension in SI units: N/m or kg/s2.
What is elastic energy in simple words?
Elastic potential energy is energy stored as a result of applying a force to deform an elastic object. The deformation could involve compressing, stretching or twisting the object. Many objects are designed specifically to store elastic potential energy, for example: The coil spring of a wind-up clock.
What is the equation for elastic potential energy?
Elastic potential energy = force displacement. It is computed as the work done to stretch the spring which depends on the spring constant k and the displacement stretched. According to Hooke’s law, the force applied to stretch the spring is directly proportional to the amount of stretch.
How is the potential energy of an elastic object stored?
Elastic potential energy is the energy stored by stretching or compressing an elastic object by an external force. It is equal to the work done to stretch the spring which depends on the spring constant k and the distance stretched. According to Hooke’s law, the force applied to stretch the spring is directly proportional to the amount of stretch.
How is elastic potential energy related to spring displacement?
The great thing about elastic potential energy is that it applies to all strings and springs. Today, we’re going to use a common form of a spring, a rubber band, to demonstrate the relationship between the displacement of the spring and the elastic potential energy. Typical rubber bands have a spring constant ( k) of about 88N/m.
Which is the correct formula for potential energy?
Like all work and energy, the unit of potential energy is the Joule (J), where 1 J = 1 N∙m = 1 kg m 2 /s 2. potential energy = 1/2 (spring constant) (distance from equilibrium)2 U = 1/2kx2 U = potential energy of a spring at a certain position