Fs = -kx
Where Fs is the spring force, x is the displacement from the equilibrium position and k is the spring constant.
Which of the following gives correct equation for Hooke's law for the spring? (F is force, k is spring constant and x is extension/compression in spring)
Answer: Fs = -kx
Explanation
- Spring force: In an ideal spring, the force required to stretch a string from its equilibrium position is directly proportional to the extension of the spring.
This is known as Hooke's law and commonly written:
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