Force is a vector quantity but mass is not. Which statement explains why?
Force can be measured directly but mass can only be calculated.
Force acts in a direction but mass has magnitude only.
Force changes with position but mass always stays the same.
Force is measured in newtons but mass is measured in kilograms.
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.