Two solid spheres are made of different materials. Four different methods are suggested to compare their masses:
Which methods can be used to compare their masses?
1 and 2 only
3 and 4 only
2 and 3 only
4 only
209 exam-style questions on CIE IGCSE Physics Mass and weight, covering Mass and weight. Each one has a worked solution and a mark scheme showing where the marks go.