Stretching Spring

• When a force is applied to a solid, the solid will deform. Applying force to a spring is the best way to represent the effect of the force. If you push the spring, it'll compress. If you pull the spring, it'll stretch :

  
  
  
  

• If a force is applied to a solid, it'll change its shape or position. In case of spring, when there is a force on the spring, there is a displacement. Displacement is the change in spring by the force.

• The effect of the force created by the load to stretch the spring is the extension. The extension is the displacement when it comes to stretching the spring.

  
  
  
  

Spring Constant

• The spring constant represents the stiffness of a spring or an elastic material.

• So, spring constant defines the stiffness by showing hoe much force it s needed in a unit of displacement. The more the force, the more the stiffness.

• For Example :

• Find the spring constant for spring if it requires a 9000 Newton force to pull spring 30.0 cm from the position of equilibrium. In this example, a 9000 N force is pulling on a spring. It means that the spring pulls back with an equal and opposite force of -9000 N. The spring constant of this spring is 30000 N/m.

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