A student has three springs, A, B and C. He measures the length of each spring in turn while different weights are hung from the end of each one. The results are listed in Fig. 3.1.
(a(i))[1]
State which spring has been extended beyond the limit of proportionality.
(a(ii))[2]
Use the information in Fig. 3.1 to explain how you found the answer to (a)(i).
(a(iii))[1]
Calculate the natural length of spring A.
(b)[2]
Describe how the student could use spring A to find the mass of a small rock.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “C” …