Spring force vs spring constant comparison can give us clear idea for both the quantities. Spring force is the restoring force whereas the spring constant is the one measuring the stiffness of the elastic object.

SPRING FORCE |
SPRING CONSTANT |

Spring force is the force which occurs in a string when stretched from original position. |
Spring constant is the result of proportionality sign. |

Formula for spring force is f=-kx |
Formula for spring constant is x=f/k |

Spring force is the spring action and the speed is measured |
Spring constant measures the stiffness of the object |

**Spring force **is the force which is been exerted on the spring when it is either compressed or stretched. We also know that the length of the spring is measure by calculating the original length by the amount of which is **extended or compressed**.

Spring constant is the proportionality sign which is when the spring **force** is directly proportional to the distance of extension.

For instance bridge works on theory of **spring force** where the both ends of the bridge is connected to a fixed point and when vehicles move on it there is a slight suspension made in that particular bridge.

The relationship between the spring force which is the restoring force and the extension of the spring and this is linear. As long as the force is increasing the extension will happened and when the action of force becomes less, the extension is trebled.

**Spring Force in Detail**

Spring force is nothing but the force exerted on the object that is under motion which is extended or stretched. The process of extension and the stretching occur from the equilibrium position.

**Spring force is the force which is usually regarded to be the contact force which is found in elastics spring as well. We can see the information of the spring force is that they are linked with Hooke’s Law.**

The restoring force is the one which brings back the objects in motion that is suspended from its original position back to the **equilibrium position**. In this case we call this force as spring force.

The spring force vs spring constant can be dealt in so many ways in terms of motion. When the spring force is given we automatically know the force formula. Form this formula we can know the spring constant too.

Basically spring is a tool which is used by several mechanisms in order for the extension and compression action of that particular object. The force will bring back the object to the original position if it is set up for a **constant motion**.

**Spring Force Formula**

Spring force formula is given by the quantities,** f=-kx.** The force of the spring that is the restoring force is nothing but the amount of force required for the object to go back to the equilibrium position.

**So when the proportionality sign is removed it has to be replaced by the constant that is the letter k, which is called the spring constant.**

The x is also called as the displacement of the object that is in the equilibrium position. The formula can also be rewritten as **f= – (x-x _{0}) k**. The x

_{0}denotes the equilibrium position and x denotes the displacement form the equilibrium position.

The spring force vs spring constant has very little differences and they can also be expressed in terms of motion and force using formula.

**Spring Constant in Detail**

Now that we have enough of knowledge about the spring force and its formula, we should know that spring constant is a part of the spring force formula.

**As we know that the formula of spring force is f=-kx. Earlier form the explanation of the spring force which is, the spring force is directly proportional to the displacement of the object that is in motion or oscillation.**

The spring constant is actually the measure of the stiffness of an object that is under oscillation.

**Hooke’s Law** is mainly related to the spring force and spring constant where the length of the spring is usually determined using the value of x that is the displacement at which the object has been oscillated.

Spring constant is determined form the formula of spring force. The force that is acting against the restoring force is actually in the opposite directions. The reason for the negative sign is that the two forces are acting in opposite to each other.

**Frequently Asked Questions**

**What happens when the spring constant increases?**

The spring constant will tell how much force will be required to stretch the string.

**When the spring constant increases the force will also increase for the stretching process of the spring. Basically the stiffness of the elastic material is measured using a term called the spring constant, which is have a value for different spring forces.**

**What exactly does the spring constant do?**

Spring constant will usually provide the force required to stretch the spring.

**The stiffness of the elastic material is determined using the value of spring constant. For example when a mass is extended using a spring the length will increase and also the force will automatically increase with it. So the spring constant is the value will affect the compression and the stretching of the spring.**

**Is spring force a variable force?**

Spring force can be a variable force due to the spring constant value.

**The spring constant will be a variable value and depending on the value of it the force will be altered. If the spring constant value increases the spring force will increase and when the spring constant value decreases the spring force will increase.**

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Hi…I am Keerthana Srikumar, currently pursuing Ph.D. in Physics and my area of specialization is nano-science. I completed my Bachelor’s and Master’s from Stella Maris College and Loyola College respectively. I have a keen interest in exploring my research skills and also have the ability to explain Physics topics in a simpler manner. Apart from academics I love to spend my time in music and reading books.

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