In mechanics problems, bodies and surfaces are often described using standard modelling terms.
For each term below, state what the assumption allows you to neglect.
A rod is modelled as rigid.
A rod is modelled as light.
A horizontal surface is modelled as smooth.
37 exam-style questions on AQA A Level Maths 3.2.3 Constant acceleration formulae. Each one has a worked solution and a mark scheme showing where the marks go.