Question

The force that causes a spring to eventually return to its normal length is called; 1) Potential force; 2) Gravitational force; 3) Spring force; 4) Restoring force

Answer 1

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Here is Your Answer..!!
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↪Actually welcome to the concept of the CONSTRAINED FORCE..

↪Basically we know that the force acting in the spring is given as ...

↪F = - Kx

↪So here the force is Kx , where K is the spring constant and such that the negative sign represents the opposite direction ...

↪thus here we conclude that the force that brings back the spring to its original dimensionsis the

↪⭐ RESTORING FORCE ACTING OPPOSITE I IN DIRECTION OF THE APPIED FORCE ON THE SPRING
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⭐⭐⭐⭐⭐⭐〽〽〽⭐⭐⭐⭐⭐⭐

Answer 2

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⭐SPRING CONSTANT ⭐

↗In the studies related to the Motion of the Springs and its dynamics for restoration energy..

↗Here we can say that ..

↗When a spring is stretched it elongated due to the external force ...

↗let the force be F ...

➡Then here the force applied will be opposed by the restoring backward force that is - kX

↗since it's in opposite direction

↗it is referred as the↗ Restoring force ↗