Spring Force Calculator
Calculate the force exerted by a spring based on its spring constant and displacement from equilibrium.
Result:
About Spring Force
Spring force, described by Hooke’s Law, is the force exerted by a spring when it’s compressed or stretched from its natural length. The formula is:
F = -k × x
Where:
- F is the spring force (in Newtons)
- k is the spring constant (in N/m)
- x is the displacement from equilibrium (in meters)
Frequently Asked Questions
The spring constant (k) measures how stiff a spring is. A higher spring constant means a stiffer spring that requires more force to compress or extend it.
The negative sign indicates that the spring force acts in the opposite direction of the displacement. This is known as a restoring force because it tries to return the spring to its equilibrium position.
Spring force is used in many applications including vehicle suspensions, mechanical watches, trampolines, retractable pens, and various mechanical systems where energy storage or shock absorption is needed.