Topic Menu

Cyber-chess a chess instruction site

GCSE Questions - Hooke's Law

Q3. Cordelia hangs a length of copper wire from the ceiling.

She adds weights to the bottom of the wire and measures the extension of the wire.

Look at a table of some of her results.

Weight (N)
Extension (m)
0
0
2
0.01
4
0.02
6
0.03
8
0.04
10
0.08
12
0.16

 

(a)

(i) Plot the values from Cordelia's experiment on the graph paper below.

(Some have been done for you).

(2 marks)

(ii) Draw a line of best-fit on the graph.

[1 mark]

(iii) Describe and explain the shape of the graph.

[4 marks]

(b) Calculate the spring constant for the 0 – 6N part of the graph.

[3 marks]

(c) Calculate the work done in stretching the wire to 0.04m.

[3 marks]

 

(Total 13 marks)