A forklift lifts 15 identical crates, each of mass 12 kg.
What other information is needed to calculate the useful work done in lifting the crates?
the vertical height through which the crates are lifted
the power rating of the forklift
the time taken to lift the crates
the volume of the crates
67 exam-style questions on CIE IGCSE Physics 1.7.2 Work done. Each one has a worked solution and a mark scheme showing where the marks go.