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This calculator finds the missing variable in the physics equation for Hooke's Law F_s = -kx, when two of the variables are known.

Hooke's Law states that the force needed to extend or compress a spring is directly proportional to the distance the spring is stretched or compressed.

This means that there is a linear relationship between the force required to stretch a spring, and the length the spring is stretched.

Hooke's Law Equation

The Hooke's Law Calculator uses the formula F_s = -kx where F is the restoring force exerted by the spring, k is the spring constant and x is the displacement, or distance the spring is being stretched.

Variables in Hooke's Law Equation

• F_s = spring force
• k = a spring constant
• x = displacement

The equation can also be stated:

Where F is the force exerted on the spring, k is the spring constant and x is the displacement.

You might see this equation in the case where the problem is in determining what is the force pulling on or compressing the spring.

 

Cite this content, page or calculator as:

Furey, Edward "Hooke's Law Calculator F = -kx" at https://www.calculatorsoup.com/calculators/physics/hookes-law.php from CalculatorSoup, https://www.calculatorsoup.com - Online Calculators

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