# physics

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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

Draw a graph of force against extension using graph paper.

(b) State the type of relationship between force and extension.

(d) State the equation of the relationship between F and x.

(e) 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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