AQA Further AS Paper 2 Mechanics 2021 June — Question 1

Exam BoardAQA
ModuleFurther AS Paper 2 Mechanics (Further AS Paper 2 Mechanics)
Year2021
SessionJune
TopicWork, energy and Power 2

1 A light spring of natural length 0.6 metres is compressed to a length of 0.4 metres by a force of 20 newtons. The stiffness of the spring is \(k \mathrm { Nm } ^ { - 1 }\)
Find \(k\) Circle your answer. 2050100200