**Paper 2 H - SAMPLE SET 1 Q4**

4) A student changed the force applied to a spring by adding weights.

**Figure 3**shows a graph of her results.4.1) Write down the equation that links the force applied and extension for a spring. [1 mark]

4.2) Identify the pattern shown in

Explain your answer. [2 marks]

4.3) Give

4.4) Describe the relationship between work done and elastic potential energy in stretching a spring. [2 marks]

4.5) Draw a line on

Explain the reason for the line you have drawn. [3 marks]

4.6) Explain what would happen to the spring if the student kept adding weights? [2 marks]

4.2) Identify the pattern shown in

**Figure 3**.Explain your answer. [2 marks]

4.3) Give

**one**way the student could improve her investigation. [1 mark]4.4) Describe the relationship between work done and elastic potential energy in stretching a spring. [2 marks]

4.5) Draw a line on

**Figure 3**to show the results for a stiffer spring.Explain the reason for the line you have drawn. [3 marks]

4.6) Explain what would happen to the spring if the student kept adding weights? [2 marks]

**(Total for Question 4 = 14 marks)**