
Elastic Potential Energy & Hooke's Law

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Physics
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1.
FLASHCARD QUESTION
Front
What is Elastic Potential Energy?
Back
Elastic Potential Energy is the energy stored in elastic materials as the result of their stretching or compressing.
2.
FLASHCARD QUESTION
Front
State Hooke's Law.
Back
Hooke's Law states that the force needed to extend or compress a spring by some distance is proportional to that distance.
3.
FLASHCARD QUESTION
Front
What is the formula for Hooke's Law?
Back
F = kx, where F is the force applied, k is the spring constant, and x is the displacement from the equilibrium position.
4.
FLASHCARD QUESTION
Front
What is the unit of spring constant (k)?
Back
The unit of spring constant (k) is Newtons per meter (N/m).
5.
FLASHCARD QUESTION
Front
How do you calculate the spring constant (k) using Hooke's Law?
Back
k = F/x, where F is the force applied and x is the displacement.
6.
FLASHCARD QUESTION
Front
What is the formula for calculating Elastic Potential Energy (EPE)?
Back
EPE = 1/2 k x^2, where k is the spring constant and x is the displacement.
7.
FLASHCARD QUESTION
Front
If a spring has a spring constant of 200 N/m and is stretched by 0.5 m, what is the Elastic Potential Energy stored in the spring?
Back
EPE = 1/2 * 200 N/m * (0.5 m)^2 = 25 J.
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