Physics (AS & A Level) · May / June 2016 · Paper 12 · Question 20

A spring balance consists of a spring of length 20.0 cm with a hook attached. When a fish of mass 3.0 kg is suspended from the hook, the new length of the spring is 27.0 cm. What is the spring constant of the spring?

1. A4.2 N m–1
2. B43 N m–1
3. C110 N m–1
4. D420 N m–1

As printed in the paper