A student hangs a stone from a newtonmeter. Which statement explains why the newtonmeter measures the weight of the stone?
The spring stretches by an amount that depends on the force applied.
The spring stretches by an amount that depends on the mass applied.
The scale on the newtonmeter is marked in kilograms, not in newtons.
The spring returns to its first length when the stone is taken off it.
40 exam-style questions on AQA GCSE Physics 5.1 Forces and their interactions, covering 5.1.1 Scalar and vector quantities, 5.1.2 Contact and non-contact forces, 5.1.3 Gravity, and 5.1.4 Resultant forces. Each one has a worked solution and a mark scheme showing where the marks go.