A student wants to measure the extension of a spring for different forces. Which set of apparatus should the student use?
a spring, a stopwatch and a top pan balance
a spring, a set of weights and a metre ruler
a spring, a measuring cylinder and a newtonmeter
a spring, a thermometer and a set of weights
40 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.