Posted by **Kate** on Wednesday, October 17, 2007 at 2:46am.

Mere and Ruth investigated the relationship between the applied force, F, and the extension, x of a spring. The results they obtained are shown in the table below.

Force F (N) Extension x (M)

0.0 0.0

2.0 0.033

4.0 0.066

6.0 0.099

8.0 0.132

10.0 0.165

state the type of relationship between force and extension.

calulate the gradient of the graph line. Show your working and give a unit with your answer.

State the equation of the relationship between F and x.

The spring constant is the force required per metre of extension of the spring (k = f/x)

Use this formula and your equation to find the value of the spring constant of the spring. Show your working and give a unit with your answer.

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