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# Spring factor or free constant K= ?

Last updated date: 20th Jun 2024
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Hint : When a conventional spring without stiffness variability features, it compresses or its resting position, it exerts on opposing force F approximately proportional to its change in length y.

Complete Solution:-
The rate of spring constant of a spring is the change in the force it exerts; divide by the change in deflection ${\text{K = }}\dfrac{{\text{F}}}{{\text{y}}}$
Where F is the force exerted and y is the deflection.
SI unit is N/m. A tension or compression spring rate is expressed in a unit of force divided by distance.
A tension spring is a spring that works by twisting, when it is twisted about its Axis at an angle it produces a torque proportional to the angle. A tension spring rate is a unit of torque divided by an angle i.e Nm/ radian.
spring factor follows Hooke's law which states that force spring is proportional to its extension (F= -KX)